#C1BC20
Closest named color: Olive Yellow (#C2B709). oklch(77.5% 0.16 107.6), rgb(193, 188, 32).
Aa
Black text reads best on this color (10.48:1).
About this color
#C1BC20 is a medium-light, vivid yellow. In OKLCH its lightness is 77%, its chroma 0.160 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.013 away. Black text reads best on it, at 10.48:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 10.48:1 |
| White text | 2.00:1 |
Values
| HEX | #C1BC20 |
| RGB | rgb(193, 188, 32) |
| HSL | hsl(58, 72%, 44%) |
| OKLCH | oklch(77.5% 0.16 107.6) |
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 #C1BC20 | 2.00:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #C1BC20 | 10.48:1 | AAA | Lc 65.3 | Content text, not long reading |
| #C1BC20 text on white | 2.00:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #C1BC20 text on black | 10.48:1 | AAA | Lc -63.7 | 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
#F7F7E7
oklch(97.2% 0.021 106.8)
-
Step 100
100
#ECEDCA
oklch(93.6% 0.046 108.6)
-
Step 200
200
#DFDE99
oklch(88.5% 0.089 107.4)
-
Step 300
300 (this color)
#C1BC20
oklch(77.5% 0.16 107.6)
-
Step 400
400
#ABA600
oklch(70.6% 0.152 107.6)
-
Step 500
500
#938E00
oklch(63.1% 0.135 107.2)
-
Step 600
600
#7B7700
oklch(55.5% 0.119 107.4)
-
Step 700
700
#676400
oklch(49% 0.105 107.7)
-
Step 800
800
#555200
oklch(42.8% 0.092 107.3)
-
Step 900
900
#464400
oklch(37.6% 0.081 107.8)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#C1BC20 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) | #CDB400 | 0.024 |
| Deuteranopia (no green cones) | #CFBA30 | 0.024 |
| Tritanopia (no blue cones) | #D0AFA1 | 0.145 |
| Achromatopsia (no color) | #B7B7B7 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1BC20
#C1BC20
oklch(77.5% 0.16 107.6)
- #B1A9FF
#B1A9FF
oklch(77.4% 0.122 287.5)
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 #C1BC20, closest first.
No curated palette has a color within ΔE 0.04 of #C1BC20.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.013
- Mustard Yellow #D2BD0A ΔE 0.025
- Mustard #CEB301 ΔE 0.027
- Dark Yellow #D5B60A ΔE 0.031
- Pea #A4BF20 ΔE 0.040
- Muddy Yellow #BFAC05 ΔE 0.041
- Mustard Green #A8B504 ΔE 0.043
- Light Olive Green #A4BE5C ΔE 0.049
Use #C1BC20 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.