#C4C43A
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.6% 0.154 109.4), rgb(196, 196, 58).
Aa
Black text reads best on this color (11.30:1).
About this color
#C4C43A is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.154 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.025 away. Black text reads best on it, at 11.30:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.30:1 |
| White text | 1.85:1 |
Values
| HEX | #C4C43A |
| RGB | rgb(196, 196, 58) |
| HSL | hsl(60, 54%, 50%) |
| OKLCH | oklch(79.6% 0.154 109.4) |
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 #C4C43A | 1.85:1 | Fails | Lc -39.1 | Non-text elements, placeholder text |
| Black text on #C4C43A | 11.30:1 | AAA | Lc 69.0 | Content text, not long reading |
| #C4C43A text on white | 1.85:1 | Fails | Lc 34.9 | Non-text elements, placeholder text |
| #C4C43A 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
#F6F7E7
oklch(97.1% 0.021 109.7)
-
Step 100
100
#EBEDCB
oklch(93.6% 0.045 110)
-
Step 200
200
#DDDE9C
oklch(88.4% 0.085 108.8)
-
Step 300
300 (this color)
#C4C43A
oklch(79.6% 0.154 109.4)
-
Step 400
400
#A8A700
oklch(70.6% 0.153 109.3)
-
Step 500
500
#908F00
oklch(63% 0.137 109.3)
-
Step 600
600
#797800
oklch(55.5% 0.121 109.2)
-
Step 700
700
#656500
oklch(49.1% 0.107 109.8)
-
Step 800
800
#535300
oklch(42.8% 0.093 109.8)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#C4C43A 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) | #D4BC22 | 0.028 |
| Deuteranopia (no green cones) | #D5C044 | 0.029 |
| Tritanopia (no blue cones) | #D2B8A9 | 0.138 |
| Achromatopsia (no color) | #BEBEBE | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4C43A
#C4C43A
oklch(79.6% 0.154 109.4)
- #BBB1FF
#BBB1FF
oklch(79.7% 0.11 289.5)
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 #C4C43A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.025
- Olive Yellow #C2B709 ΔE 0.035
- Dark Yellow #D5B60A ΔE 0.039
- Mustard #CEB301 ΔE 0.042
- Pea #A4BF20 ΔE 0.051
- Light Olive #ACBF69 ΔE 0.053
- Light Olive Green #A4BE5C ΔE 0.053
- Greenish Tan #BCCB7A ΔE 0.053
Use #C4C43A 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.