#C6B03C
Closest named color: Mustard (#CEB301). oklch(75.5% 0.134 98.3), rgb(198, 176, 60).
Aa
Black text reads best on this color (9.67:1).
About this color
#C6B03C is a medium-light, moderately saturated yellow. In OKLCH its lightness is 76%, its chroma 0.134 and its hue 98°. 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 9.67:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Mustard (#CEB301) |
| Black text | 9.67:1 |
| White text | 2.17:1 |
Values
| HEX | #C6B03C |
| RGB | rgb(198, 176, 60) |
| HSL | hsl(50, 55%, 51%) |
| OKLCH | oklch(75.5% 0.134 98.3) |
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 #C6B03C | 2.17:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #C6B03C | 9.67:1 | AAA | Lc 61.4 | Content text, not long reading |
| #C6B03C text on white | 2.17:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #C6B03C text on black | 9.67:1 | AAA | Lc -59.7 | Large or bold text, headings |
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
#EEEAD8
oklch(93.5% 0.024 96.6)
-
Step 200
200
#E1DAB7
oklch(88.5% 0.047 97.9)
-
Step 300
300
#CEC282
oklch(80.9% 0.084 98.9)
-
Step 400
400 (this color)
#C6B03C
oklch(75.5% 0.134 98.3)
-
Step 500
500
#9E8900
oklch(63% 0.13 98.3)
-
Step 600
600
#857300
oklch(55.6% 0.115 98.3)
-
Step 700
700
#706100
oklch(49.2% 0.102 98.7)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900
#4D4100
oklch(37.6% 0.078 97.3)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#C6B03C 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) | #C1AC2B | 0.016 |
| Deuteranopia (no green cones) | #C7B343 | 0.008 |
| Tritanopia (no blue cones) | #D5A399 | 0.124 |
| Achromatopsia (no color) | #B0B0B0 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6B03C
#C6B03C
oklch(75.5% 0.134 98.3)
- #9DA7FF
#9DA7FF
oklch(75.6% 0.127 278)
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 #C6B03C, 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
- Burnt Yellow #D5AB09 ΔE 0.027
- Olive Yellow #C2B709 ΔE 0.033
- Dark Yellow #D5B60A ΔE 0.035
- Goldenrod #DAA520 ΔE 0.037
- Desert #CCAD60 ΔE 0.038
- Dark Khaki #BDB76B ΔE 0.040
Use #C6B03C 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.