#C6BB39
Closest named color: Olive Yellow (#C2B709). oklch(77.8% 0.146 104.4), rgb(198, 187, 57).
Aa
Black text reads best on this color (10.56:1).
About this color
#C6BB39 is a medium-light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.146 and its hue 104°. 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 10.56:1.
| Hue family | Yellows |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 10.56:1 |
| White text | 1.98:1 |
Values
| HEX | #C6BB39 |
| RGB | rgb(198, 187, 57) |
| HSL | hsl(55, 55%, 50%) |
| OKLCH | oklch(77.8% 0.146 104.4) |
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 #C6BB39 | 1.98:1 | Fails | Lc -42.7 | Non-text elements, placeholder text |
| Black text on #C6BB39 | 10.56:1 | AAA | Lc 65.6 | Content text, not long reading |
| #C6BB39 text on white | 1.98:1 | Fails | Lc 38.3 | Non-text elements, placeholder text |
| #C6BB39 text on black | 10.56:1 | AAA | Lc -64.1 | 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 300.
-
Step 50
50
#F7F6E8
oklch(97% 0.018 103.4)
-
Step 100
100
#EEECCC
oklch(93.6% 0.042 104.2)
-
Step 200
200
#E1DD9E
oklch(88.6% 0.081 104.9)
-
Step 300
300 (this color)
#C6BB39
oklch(77.8% 0.146 104.4)
-
Step 400
400
#B0A400
oklch(70.6% 0.149 104.3)
-
Step 500
500
#978D00
oklch(63.2% 0.134 104.6)
-
Step 600
600
#7F7600
oklch(55.6% 0.118 104.3)
-
Step 700
700
#6A6300
oklch(49.1% 0.104 104.8)
-
Step 800
800
#575100
oklch(42.7% 0.09 104.7)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2B2700
oklch(26.9% 0.057 103.7)
#C6BB39 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) | #CCB523 | 0.017 |
| Deuteranopia (no green cones) | #CFBB42 | 0.016 |
| Tritanopia (no blue cones) | #D5AEA1 | 0.133 |
| Achromatopsia (no color) | #B8B8B8 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6BB39
#C6BB39
oklch(77.8% 0.146 104.4)
- #AEACFF
#AEACFF
oklch(77.8% 0.117 284.4)
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 #C6BB39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.021
- Mustard #CEB301 ΔE 0.024
- Mustard Yellow #D2BD0A ΔE 0.024
- Dark Yellow #D5B60A ΔE 0.025
- Burnt Yellow #D5AB09 ΔE 0.042
- Muddy Yellow #BFAC05 ΔE 0.042
- Light Olive #ACBF69 ΔE 0.047
- Light Olive Green #A4BE5C ΔE 0.048
Use #C6BB39 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.