#C8C73F
Closest named color: Mustard Yellow (#D2BD0A). oklch(80.6% 0.153 109), rgb(200, 199, 63).
Aa
Black text reads best on this color (11.69:1).
About this color
#C8C73F is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.153 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.028 away. Black text reads best on it, at 11.69:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.69:1 |
| White text | 1.79:1 |
Values
| HEX | #C8C73F |
| RGB | rgb(200, 199, 63) |
| HSL | hsl(60, 55%, 52%) |
| OKLCH | oklch(80.6% 0.153 109) |
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 #C8C73F | 1.79:1 | Fails | Lc -37.2 | Non-text elements, placeholder text |
| Black text on #C8C73F | 11.69:1 | AAA | Lc 70.7 | Content text, not long reading |
| #C8C73F text on white | 1.79:1 | Fails | Lc 33.1 | Non-text elements, placeholder text |
| #C8C73F text on black | 11.69:1 | AAA | Lc -69.5 | 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
#DDDE9D
oklch(88.4% 0.084 108.7)
-
Step 300
300 (this color)
#C8C73F
oklch(80.6% 0.153 109)
-
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
#797800
oklch(55.5% 0.121 109.2)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
Step 800
800
#535200
oklch(42.6% 0.092 108.9)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#C8C73F 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) | #D7BF29 | 0.027 |
| Deuteranopia (no green cones) | #D9C349 | 0.029 |
| Tritanopia (no blue cones) | #D6BAAC | 0.138 |
| Achromatopsia (no color) | #C1C1C1 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C8C73F
#C8C73F
oklch(80.6% 0.153 109)
- #BDB5FF
#BDB5FF
oklch(80.6% 0.104 288.8)
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 #C8C73F, closest first.
No curated palette has a color within ΔE 0.04 of #C8C73F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.028
- Dark Yellow #D5B60A ΔE 0.043
- Olive Yellow #C2B709 ΔE 0.044
- Mustard #CEB301 ΔE 0.049
- Greenish Tan #BCCB7A ΔE 0.050
- Greenish Beige #C9D179 ΔE 0.051
- Pale Olive Green #B1D27B ΔE 0.054
- Pale Olive #B9CC81 ΔE 0.058
Use #C8C73F 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.