#C8C63B
Closest named color: Mustard Yellow (#D2BD0A). oklch(80.4% 0.154 108.6), rgb(200, 198, 59).
Aa
Black text reads best on this color (11.59:1).
About this color
#C8C63B is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.154 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.026 away. Black text reads best on it, at 11.59:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.59:1 |
| White text | 1.81:1 |
Values
| HEX | #C8C63B |
| RGB | rgb(200, 198, 59) |
| HSL | hsl(59, 56%, 51%) |
| OKLCH | oklch(80.4% 0.154 108.6) |
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 #C8C63B | 1.81:1 | Fails | Lc -37.7 | Non-text elements, placeholder text |
| Black text on #C8C63B | 11.59:1 | AAA | Lc 70.3 | Content text, not long reading |
| #C8C63B text on white | 1.81:1 | Fails | Lc 33.6 | Non-text elements, placeholder text |
| #C8C63B text on black | 11.59:1 | AAA | Lc -69.0 | 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
#ECEDCB
oklch(93.7% 0.045 108.6)
-
Step 200
200
#DDDE9C
oklch(88.4% 0.085 108.8)
-
Step 300
300 (this color)
#C8C63B
oklch(80.4% 0.154 108.6)
-
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
#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)
#C8C63B 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) | #D6BE23 | 0.026 |
| Deuteranopia (no green cones) | #D8C345 | 0.027 |
| Tritanopia (no blue cones) | #D6B9AB | 0.140 |
| Achromatopsia (no color) | #C0C0C0 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C8C63B
#C8C63B
oklch(80.4% 0.154 108.6)
- #BCB4FF
#BCB4FF
oklch(80.4% 0.105 288.7)
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 #C8C63B, closest first.
No curated palette has a color within ΔE 0.04 of #C8C63B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.026
- Dark Yellow #D5B60A ΔE 0.041
- Olive Yellow #C2B709 ΔE 0.041
- Mustard #CEB301 ΔE 0.047
- Greenish Tan #BCCB7A ΔE 0.053
- Greenish Beige #C9D179 ΔE 0.053
- Pale Olive Green #B1D27B ΔE 0.056
- Pea #A4BF20 ΔE 0.058
Use #C8C63B 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.