#C4C142
Closest named color: Mustard Yellow (#D2BD0A). oklch(79% 0.145 108), rgb(196, 193, 66).
Aa
Black text reads best on this color (11.05:1).
About this color
#C4C142 is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.145 and its hue 108°. 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 11.05:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.05:1 |
| White text | 1.89:1 |
Values
| HEX | #C4C142 |
| RGB | rgb(196, 193, 66) |
| HSL | hsl(59, 52%, 51%) |
| OKLCH | oklch(79% 0.145 108) |
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 #C4C142 | 1.89:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #C4C142 | 11.05:1 | AAA | Lc 67.8 | Content text, not long reading |
| #C4C142 text on white | 1.89:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #C4C142 text on black | 11.05:1 | AAA | Lc -66.4 | 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
#F6F7E8
oklch(97.1% 0.02 109.9)
-
Step 100
100
#ECEDCD
oklch(93.7% 0.042 108.6)
-
Step 200
200
#DEDE9F
oklch(88.6% 0.082 108)
-
Step 300
300 (this color)
#C4C142
oklch(79% 0.145 108)
-
Step 400
400
#ABA600
oklch(70.6% 0.152 107.6)
-
Step 500
500
#928F00
oklch(63.2% 0.136 108.3)
-
Step 600
600
#7B7800
oklch(55.7% 0.12 108)
-
Step 700
700
#676400
oklch(49% 0.105 107.7)
-
Step 800
800
#545200
oklch(42.7% 0.092 108.1)
-
Step 900
900
#464400
oklch(37.6% 0.081 107.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#C4C142 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) | #D1B930 | 0.025 |
| Deuteranopia (no green cones) | #D3BE4A | 0.025 |
| Tritanopia (no blue cones) | #D2B5A7 | 0.131 |
| Achromatopsia (no color) | #BCBCBC | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4C142
#C4C142
oklch(79% 0.145 108)
- #B7AFFF
#B7AFFF
oklch(79% 0.113 288.1)
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 #C4C142, closest first.
No curated palette has a color within ΔE 0.04 of #C4C142.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.026
- Olive Yellow #C2B709 ΔE 0.031
- Dark Yellow #D5B60A ΔE 0.035
- Mustard #CEB301 ΔE 0.037
- Light Olive #ACBF69 ΔE 0.045
- Light Olive Green #A4BE5C ΔE 0.047
- Greenish Tan #BCCB7A ΔE 0.049
- Pea #A4BF20 ΔE 0.052
Use #C4C142 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.