#CFC73A
Closest named color: Mustard Yellow (#D2BD0A). oklch(81.2% 0.155 106.1), rgb(207, 199, 58).
Aa
Black text reads best on this color (11.88:1).
About this color
#CFC73A is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.155 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.026 away. Black text reads best on it, at 11.88:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.88:1 |
| White text | 1.76:1 |
Values
| HEX | #CFC73A |
| RGB | rgb(207, 199, 58) |
| HSL | hsl(57, 61%, 52%) |
| OKLCH | oklch(81.2% 0.155 106.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #CFC73A | 1.76:1 | Fails | Lc -36.3 | Non-text elements, placeholder text |
| Black text on #CFC73A | 11.88:1 | AAA | Lc 71.5 | Content text, not long reading |
| #CFC73A text on white | 1.76:1 | Fails | Lc 32.3 | Non-text elements, placeholder text |
| #CFC73A text on black | 11.88:1 | AAA | Lc -70.4 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F7F7E7
oklch(97.2% 0.021 106.8)
-
Step 100
100
#EDECCA
oklch(93.5% 0.045 105.8)
-
Step 200
200
#E0DD9B
oklch(88.4% 0.085 105.8)
-
Step 300
300 (this color)
#CFC73A
oklch(81.2% 0.155 106.1)
-
Step 400
400
#ADA500
oklch(70.6% 0.151 106.2)
-
Step 500
500
#958E00
oklch(63.2% 0.135 106.2)
-
Step 600
600
#7D7700
oklch(55.7% 0.119 106.2)
-
Step 700
700
#696400
oklch(49.2% 0.105 106.3)
-
Step 800
800
#565100
oklch(42.6% 0.091 105.5)
-
Step 900
900
#474400
oklch(37.7% 0.081 106.8)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#CFC73A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D8C020 | 0.020 |
| Deuteranopia (no green cones) | #DBC544 | 0.021 |
| Tritanopia (no blue cones) | #DEBAAC | 0.141 |
| Achromatopsia (no color) | #C3C3C3 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFC73A
#CFC73A
oklch(81.2% 0.155 106.1)
- #BCB8FF
#BCB8FF
oklch(81.1% 0.099 286.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CFC73A, closest first.
No curated palette has a color within ΔE 0.04 of #CFC73A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.026
- Dark Yellow #D5B60A ΔE 0.041
- Olive Yellow #C2B709 ΔE 0.048
- Mustard #CEB301 ΔE 0.050
- Greenish Beige #C9D179 ΔE 0.051
- Greenish Tan #BCCB7A ΔE 0.055
- Golden #F5BF03 ΔE 0.056
- Pale Olive Green #B1D27B ΔE 0.059
Use #CFC73A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.