#C0BF59
Closest named color: Light Olive (#ACBF69). oklch(78.5% 0.125 108.5), rgb(192, 191, 89).
Aa
Black text reads best on this color (10.83:1).
About this color
#C0BF59 is a light, moderately saturated yellow. In OKLCH its lightness is 78%, its chroma 0.125 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.029 away. Black text reads best on it, at 10.83:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 10.83:1 |
| White text | 1.93:1 |
Values
| HEX | #C0BF59 |
| RGB | rgb(192, 191, 89) |
| HSL | hsl(59, 45%, 55%) |
| OKLCH | oklch(78.5% 0.125 108.5) |
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 #C0BF59 | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #C0BF59 | 10.83:1 | AAA | Lc 66.8 | Content text, not long reading |
| #C0BF59 text on white | 1.93:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #C0BF59 text on black | 10.83:1 | AAA | Lc -65.3 | 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
#F6F7EA
oklch(97.2% 0.017 110.3)
-
Step 100
100
#EBECD1
oklch(93.5% 0.036 108.8)
-
Step 200
200
#DDDDA8
oklch(88.5% 0.069 107.7)
-
Step 300
300 (this color)
#C0BF59
oklch(78.5% 0.125 108.5)
-
Step 400
400
#AAA700
oklch(70.8% 0.153 108.5)
-
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
#676500
oklch(49.2% 0.106 108.4)
-
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)
#C0BF59 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) | #CDB84F | 0.023 |
| Deuteranopia (no green cones) | #CEBC5E | 0.023 |
| Tritanopia (no blue cones) | #CCB4A8 | 0.112 |
| Achromatopsia (no color) | #BABABA | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C0BF59
#C0BF59
oklch(78.5% 0.125 108.5)
- #B6ADFF
#B6ADFF
oklch(78.6% 0.116 288.5)
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 #C0BF59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.029
- Dark Khaki #BDB76B ΔE 0.033
- Tan Green #A9BE70 ΔE 0.037
- Greenish Tan #BCCB7A ΔE 0.038
- Light Olive Green #A4BE5C ΔE 0.038
- Light Moss Green #A6C875 ΔE 0.040
- Olive Yellow #C2B709 ΔE 0.042
- Mustard Yellow #D2BD0A ΔE 0.043
Use #C0BF59 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.