#C3B23E
Closest named color: Mustard (#CEB301). oklch(75.7% 0.134 100.9), rgb(195, 178, 62).
Aa
Black text reads best on this color (9.75:1).
About this color
#C3B23E is a medium-light, moderately saturated yellow. In OKLCH its lightness is 76%, its chroma 0.134 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard (#CEB301), ΔE 0.027 away. Black text reads best on it, at 9.75:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Mustard (#CEB301) |
| Black text | 9.75:1 |
| White text | 2.15:1 |
Values
| HEX | #C3B23E |
| RGB | rgb(195, 178, 62) |
| HSL | hsl(52, 53%, 50%) |
| OKLCH | oklch(75.7% 0.134 100.9) |
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 #C3B23E | 2.15:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #C3B23E | 9.75:1 | AAA | Lc 61.8 | Content text, not long reading |
| #C3B23E text on white | 2.15:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #C3B23E text on black | 9.75:1 | AAA | Lc -60.1 | 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 400.
-
Step 50
50
#F7F6ED
oklch(97.1% 0.012 101.5)
-
Step 100
100
#EDEBD8
oklch(93.7% 0.025 102)
-
Step 200
200
#DFDBB8
oklch(88.6% 0.047 101.9)
-
Step 300
300
#CCC383
oklch(81% 0.084 101.2)
-
Step 400
400 (this color)
#C3B23E
oklch(75.7% 0.134 100.9)
-
Step 500
500
#9B8B00
oklch(63.1% 0.132 101.2)
-
Step 600
600
#837400
oklch(55.6% 0.116 100.3)
-
Step 700
700
#6E6200
oklch(49.2% 0.103 101)
-
Step 800
800
#5A5000
oklch(42.8% 0.089 101.1)
-
Step 900
900
#4B4200
oklch(37.7% 0.078 100.6)
-
Step 950
950
#2D2700
oklch(27.1% 0.056 100.5)
#C3B23E 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) | #C2AD2E | 0.014 |
| Deuteranopia (no green cones) | #C7B445 | 0.010 |
| Tritanopia (no blue cones) | #D2A59A | 0.124 |
| Achromatopsia (no color) | #B1B1B1 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3B23E
#C3B23E
oklch(75.7% 0.134 100.9)
- #A2A6FF
#A2A6FF
oklch(75.7% 0.127 280.9)
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 #C3B23E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard #CEB301 ΔE 0.027
- Muddy Yellow #BFAC05 ΔE 0.027
- Olive Yellow #C2B709 ΔE 0.030
- Burnt Yellow #D5AB09 ΔE 0.032
- Dark Yellow #D5B60A ΔE 0.036
- Dark Khaki #BDB76B ΔE 0.039
- Desert #CCAD60 ΔE 0.041
- Goldenrod #DAA520 ΔE 0.043
Use #C3B23E 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.