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Bobby Zuber
NIE: Y4291153B
Calle Vista Valle 34, Villa 4
38768 El Paso
Santa Cruz de Tenerife, Spain
Email: [email protected]
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Terms
Last update: 22.09.2025
Questions? Contact us at [email protected]
New API V3.0: Get our API at a special price. Get it now. Get more detailed color conversion results - perfect for web projects, plugins, internal tools or SaaS applications. Valid from 2025-10-21 up to and including 2025-11-21 (23:59 CET)
The qConv API uses API keys, which you can manage via your profile.
GET /api/v3.0/color.php?from=hex&input=FF0000&apikey=[YOUR_API-KEY]
Note: The key is Base64URL-encoded (URL-compatible) and secure.
GET https://qconv.com/api/v3.0/color.php
| Parameters | Type | Required | Description |
|---|---|---|---|
| from | string | ✅ Yes | Source format of the color, e.g. rgb, ral or manufacturer names such as behr |
| input | string | ✅ Yes | Input value, e.g. FF0000 |
| apikey | string | ✅ Yes | Your personal and secret API key |
rgb
hex
cmyk
pantone
ral
hks
ncs
sw
All manufacturer codes that you can find on the manufacturer pages under the following link are valid values.
https://qconv.com/en/manufactures
Look for the API code reference or this symbol in the left-hand column on the manufacturer's website:
GET /api/v3.0/color.php?from=hex &input=FF0000 &apikey=[YOUR_API-KEY]
{
"api_version" => "v3.0",
"timestamp" => "2025-08-14T13:28:00+01:00",
"http_response_code" => 200,
"from": "hex",
"input": "ffa500",
"related": {
"comp": {
"rgb": "0 255 255",
"hex": "#00FFFF",
"cmyk": "100 0 0 0",
"hsl": "180 1 0.5",
"lab": "91.12 -48.08 -14.14"
},
"dark": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
],
"light": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
],
"ana": [
{
"rgb": "255 0 136",
"hex": "#FF0088",
"cmyk": "0 100 47 0",
"hsl": "328 1 0.5",
"lab": "55.11 85.15 -0.4"
},
{...},
{...}
],
"mono": [
{
"rgb": "172 0 0",
"hex": "#AC0000",
"cmyk": "0 100 100 33",
"hsl": "0 1 0.34",
"lab": "35.54 59.64 49.89"
},
{...},
{...}
],
"warm": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
],
"cold": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
],
"sat_more": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
}
],
"sat_less": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
],
"split": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
],
"triad": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
],
"tetrad": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
],
"square": [
{
"rgb": "255 0 0",
"hex": "#FF0000",
"cmyk": "0 100 100 0",
"hsl": "0 1 0.5",
"lab": "53.23 80.11 67.22"
},
{...},
{...}
]
},
"user_data": {
"username": "USER #12345",
"used_tokens": 1,
"max_tokens": 50,
"percentage_used": "2 %"
}
}
GET /api/v3.0/color.php?from=behr &input=p120-7 glitterati &apikey=[YOUR_API-KEY]
{
"api_version" => "v3.0",
"timestamp" => "2025-08-14T13:28:00+01:00",
"http_response_code" => 200,
"from": "behr",
"input": "p120-7 glitterati",
"related": {
"comp": {
"manufacturer": "Behr",
"name": "mq6-41 farmer´s market",
"rgb": "113 184 151",
"hex": "#71B897",
"cmyk": "39 0 18 28",
"hsl": "152.11 0.33 0.58",
"lab": "69.49 -29.81 9.81"
},
"dark": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
],
"light": [
{
"mfg": "Behr",
"name": "ppu1-16 haitian flower",
"rgb": "151 73 90",
"hex": "#97495A",
"cmyk": "0 52 40 41",
"hsl": "346.92 0.35 0.44",
"lab": "41.35 34.47 5.42"
},
{...},
{...}
],
"ana": [
{
"mfg": "Behr",
"name": "p110-7 xoxo",
"rgb": "145 80 123",
"hex": "#91507B",
"cmyk": "0 45 15 43",
"hsl": "320.31 0.29 0.44",
"lab": "43.04 33.27 -12.51"
},
{...},
{...}
],
"mono": [
{
"mfg": "Behr",
"name": "bxc-21 chicory root",
"rgb": "95 66 63",
"hex": "#5F423F",
"cmyk": "0 31 34 63",
"hsl": "5.63 0.2 0.31",
"lab": "31.09 12.12 6.83"
},
{...},
{...}
],
"warm": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
],
"cold": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
],
"sat_more": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
],
"sat_less": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
],
"split": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
],
"triad": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
],
"tetrad": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
],
"square": [
{
"mfg": "Behr",
"name": "p120-7 glitterati",
"rgb": "148 74 99",
"hex": "#944A63",
"cmyk": "0 50 33 42",
"hsl": "339.73 0.33 0.44",
"lab": "41.37 33.97 -0.2"
},
{...},
{...}
]
},
"user_data": {
"username": "USER #12345",
"used_tokens": 2,
"max_tokens": 50,
"percentage_used": "4 %"
}
}
| Field | Type | Description |
|---|---|---|
| api_version | string | Returns the currently used version of the API, e.g. 'v2' |
| timestamp | string | Timestamp of the request in ISO 8601 format, e.g. '2025-08-14T13:42:00+01:00' |
| http_response_code | string | HTTP status code of the response (e.g. 200, 400, 500). Indicates whether the request was successful or returned an error |
| from | string | Transmitted output format |
| input | string | Transmitted original value |
| related | object | The related field contains the associated shades that are calculated from the transferred color. These include complementary colors, lighter and darker variants as well as color harmonies such as triad or tetrad. For more information: Related in detail. |
| user_data | object | Information about your API account, such as the number of conversions used. |
| error | string | If an error occurs: Object with further details such as error code, description, etc. If the request is successful, this field is zero or not present |
| Color type | Type | Description |
|---|---|---|
| comp | object | The complementary color, i.e. the opposite color on the color wheel. |
| dark | array | A gradation of up to five darker variants of the original color. |
| light | array | A gradation of up to five lighter variants of the color. |
| ana | array | Up to five color nuances that are directly adjacent to each other on the color wheel. |
| mono | array | Up to five monochrome variations of the same basic color with different brightnesses or saturations. |
| warm | array | Up to five warmer variants of the color - tones that are slightly shifted towards red or yellow. |
| cold | array | Up to five colder variants of the color - shades that are more bluish or violet. |
| sat_more | array | Up to five colors with increased color saturation (stronger, more intense effect). |
| sat_less | array | Up to five colors with reduced saturation (more subdued, more restrained effect). |
| split | array | Three colors from the split complementary scheme - two tones that are next to the complementary color. |
| triad | array | Triadic color scheme - three colors evenly distributed on the color wheel. |
| tetrad | array | Tetradic color scheme - four colors that form a rectangle on the color wheel. |
| square | array | Square color scheme - four colors equally spaced on the color wheel. |
| Color values | Type | Description |
|---|---|---|
| mfg | string / null | Name of the paint manufacturer, if available (e.g. Behr, OBI, RAL). |
| name | string / null | Official color designation of the manufacturer, if available. |
| rgb | string | RGB values, separated by spaces (e.g. '113 184 151'). |
| hex | string | Hexadecimal color code (e.g. '#71B897'). |
| cmyk | string | CMYK representation (percentage values for print or design applications). |
| hsl | string | Hue, saturation and lightness (Hue, Saturation, Lightness). |
| lab | string | Values in CIELAB color space, suitable for precise color comparisons and color analysis. |
| Status code | Meaning |
|---|---|
| 400 | Missing or invalid parameter |
| 401 | Invalid or missing API key |
| 429 | Monthly API limit reached |
| 500 | Internal server error |
If the API key is missing or an incorrect API key has been entered:
{
"api_version" => "v3.0",
"timestamp" => "2025-08-14T13:28:00+01:00",
"http_response_code" => 401,
"error": "Unauthorized",
}
If an entry is missing or a non-compliant value is entered:
{
"api_version" => "v3.0",
"timestamp" => "2025-08-14T13:28:00+01:00",
"http_response_code" => 400,
"error": "Missing input or from" | "Conversion failed or input invalid",
"user_data": {
"username": "USER #12345",
"used_tokens": 50,
"max_tokens": 50,
"percentage_used": "100 %"
}
}
Each API key has a monthly limit. Free are 50 tokens per month per API key. Up to two API-KEYs can be created free of charge.
This can be extended by upgrades:
With the Basic-API tariff you can create 5 API-KEYs with 200 tokens each (∑ 1.000 tokens).
With the Premium API plan, you can create 10 API-KEYs with 1.000 tokens (∑ 10,000 tokens).
With the Voyager API tariff, you can create 50 API-KEYs with 10,000 tokens each (∑ 500,000 tokens).
If you have special requirements, we can also prepare user-specific offers at any time. Please feel free to contact us.
When the limit is reached:
{
"api_version" => "v3.0",
"timestamp" => "2025-08-14T13:28:00+01:00",
"http_response_code" => 429,
"error": "Hello USER #12345, your monthly API quota of 50 requests has been used up. Please contact [email protected] to upgrade or wait for the next reset.",
"user_data": {
"username": "USER #12345",
"used_tokens": 50,
"max_tokens": 50,
"percentage_used": "100 %"
}
}
Manage API keys (add/delete)
View total and API-related usage
Increase limits per month through upgrades
Generate new keys (Base64URL-safe)
Add comments for better differentiation
All parameters are sent via GET
Rate limiting per key optional
32 byte long Base64URL key
All parameters are case-insensitive
Hex code is not possible with #: Only FF0000 are valid
255,0,0 or 255 0 0 for RGB
185C and 185 C work for PANTONE
Note: For technical reasons, it may happen that no results are displayed for some manufacturer names. If you need help or your conversion does not work for any other reason not mentioned, please contact us at info[at]qconv.com. We offer support for customers from the 'Basic API Service'.
API-V3.0:
2025-10-21
API-V2.0:
2025-08-14
API-V1.0:
2025-07-15
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Log in to your accountor
Current color palette Share
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Link(s) will follow after sharing.
Your colors will be saved in a new color palette.
View them under your profile.
You can customize them further, and share them.
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