#C1BF2D
Closest named color: Olive Yellow (#C2B709). oklch(78.2% 0.157 108.7), rgb(193, 191, 45).
Aa
Black text reads best on this color (10.75:1).
About this color
#C1BF2D is a light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.157 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.021 away. Black text reads best on it, at 10.75:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 10.75:1 |
| White text | 1.95:1 |
Values
| HEX | #C1BF2D |
| RGB | rgb(193, 191, 45) |
| HSL | hsl(59, 62%, 47%) |
| OKLCH | oklch(78.2% 0.157 108.7) |
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 #C1BF2D | 1.95:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #C1BF2D | 10.75:1 | AAA | Lc 66.5 | Content text, not long reading |
| #C1BF2D text on white | 1.95:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #C1BF2D text on black | 10.75:1 | AAA | Lc -65.0 | 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
#ECEDCA
oklch(93.6% 0.046 108.6)
-
Step 200
200
#DDDE9B
oklch(88.4% 0.086 108.8)
-
Step 300
300 (this color)
#C1BF2D
oklch(78.2% 0.157 108.7)
-
Step 400
400
#A9A700
oklch(70.7% 0.153 108.9)
-
Step 500
500
#918F00
oklch(63.1% 0.137 108.8)
-
Step 600
600
#7A7800
oklch(55.6% 0.12 108.6)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
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)
#C1BF2D 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) | #CFB702 | 0.026 |
| Deuteranopia (no green cones) | #D1BC39 | 0.027 |
| Tritanopia (no blue cones) | #CFB2A4 | 0.142 |
| Achromatopsia (no color) | #B9B9B9 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1BF2D
#C1BF2D
oklch(78.2% 0.157 108.7)
- #B5ABFF
#B5ABFF
oklch(78.1% 0.119 288.8)
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 #C1BF2D, closest first.
No curated palette has a color within ΔE 0.04 of #C1BF2D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.021
- Mustard Yellow #D2BD0A ΔE 0.024
- Mustard #CEB301 ΔE 0.033
- Dark Yellow #D5B60A ΔE 0.034
- Pea #A4BF20 ΔE 0.042
- Light Olive Green #A4BE5C ΔE 0.048
- Muddy Yellow #BFAC05 ΔE 0.048
- Mustard Green #A8B504 ΔE 0.049
Use #C1BF2D 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.