#CFC04F
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.9% 0.134 101.8), rgb(207, 192, 79).
Aa
Black text reads best on this color (11.30:1).
About this color
#CFC04F is a light, moderately saturated yellow. In OKLCH its lightness is 80%, its chroma 0.134 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.031 away. Black text reads best on it, at 11.30:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.30:1 |
| White text | 1.85:1 |
Values
| HEX | #CFC04F |
| RGB | rgb(207, 192, 79) |
| HSL | hsl(53, 57%, 56%) |
| OKLCH | oklch(79.9% 0.134 101.8) |
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 #CFC04F | 1.85:1 | Fails | Lc -39.1 | Non-text elements, placeholder text |
| Black text on #CFC04F | 11.30:1 | AAA | Lc 68.9 | Content text, not long reading |
| #CFC04F text on white | 1.85:1 | Fails | Lc 34.9 | Non-text elements, placeholder text |
| #CFC04F text on black | 11.30:1 | AAA | Lc -67.6 | 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
#F8F6E9
oklch(97.1% 0.017 99.6)
-
Step 100
100
#EFEBCE
oklch(93.6% 0.038 100.7)
-
Step 200
200
#E3DCA3
oklch(88.6% 0.074 101.9)
-
Step 300
300 (this color)
#CFC04F
oklch(79.9% 0.134 101.8)
-
Step 400
400
#B4A300
oklch(70.8% 0.148 101.9)
-
Step 500
500
#9A8B00
oklch(63% 0.132 101.8)
-
Step 600
600
#827500
oklch(55.7% 0.116 101.7)
-
Step 700
700
#6D6200
oklch(49.1% 0.103 101.8)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4A4200
oklch(37.6% 0.079 101.6)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#CFC04F 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) | #D0BA42 | 0.015 |
| Deuteranopia (no green cones) | #D5C155 | 0.011 |
| Tritanopia (no blue cones) | #DEB3A8 | 0.123 |
| Achromatopsia (no color) | #BEBEBE | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFC04F
#CFC04F
oklch(79.9% 0.134 101.8)
- #B2B5FF
#B2B5FF
oklch(79.8% 0.105 282)
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 #CFC04F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.031
- Dark Yellow #D5B60A ΔE 0.034
- Mustard #CEB301 ΔE 0.041
- Greenish Tan #BCCB7A ΔE 0.044
- Olive Yellow #C2B709 ΔE 0.045
- Dark Khaki #BDB76B ΔE 0.048
- Greenish Beige #C9D179 ΔE 0.049
- Saffron #E9C46A ΔE 0.050
Use #CFC04F 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.