#C8BE21
Closest named color: Mustard Yellow (#D2BD0A). oklch(78.5% 0.16 105.5), rgb(200, 190, 33).
Aa
Black text reads best on this color (10.84:1).
About this color
#C8BE21 is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.160 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.014 away. Black text reads best on it, at 10.84:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 10.84:1 |
| White text | 1.93:1 |
Values
| HEX | #C8BE21 |
| RGB | rgb(200, 190, 33) |
| HSL | hsl(56, 72%, 46%) |
| OKLCH | oklch(78.5% 0.16 105.5) |
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 #C8BE21 | 1.93:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #C8BE21 | 10.84:1 | AAA | Lc 66.9 | Content text, not long reading |
| #C8BE21 text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #C8BE21 text on black | 10.84:1 | AAA | Lc -65.5 | 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
#F7F7E6
oklch(97.2% 0.022 106.8)
-
Step 100
100
#EEECC9
oklch(93.6% 0.046 104.6)
-
Step 200
200
#E1DD98
oklch(88.5% 0.089 105.2)
-
Step 300
300 (this color)
#C8BE21
oklch(78.5% 0.16 105.5)
-
Step 400
400
#AEA500
oklch(70.7% 0.151 105.7)
-
Step 500
500
#958D00
oklch(63% 0.134 105.6)
-
Step 600
600
#7D7600
oklch(55.4% 0.118 105.5)
-
Step 700
700
#696300
oklch(49% 0.104 105.5)
-
Step 800
800
#565100
oklch(42.6% 0.091 105.5)
-
Step 900
900
#484400
oklch(37.8% 0.081 105.9)
-
Step 950
950
#2B2800
oklch(27.1% 0.058 105.3)
#C8BE21 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) | #CFB700 | 0.019 |
| Deuteranopia (no green cones) | #D3BD30 | 0.019 |
| Tritanopia (no blue cones) | #D7B0A2 | 0.146 |
| Achromatopsia (no color) | #BABABA | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C8BE21
#C8BE21
oklch(78.5% 0.16 105.5)
- #B2AEFF
#B2AEFF
oklch(78.5% 0.114 285.7)
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 #C8BE21, closest first.
No curated palette has a color within ΔE 0.04 of #C8BE21.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.014
- Olive Yellow #C2B709 ΔE 0.021
- Dark Yellow #D5B60A ΔE 0.025
- Mustard #CEB301 ΔE 0.027
- Muddy Yellow #BFAC05 ΔE 0.049
- Burnt Yellow #D5AB09 ΔE 0.049
- Pea #A4BF20 ΔE 0.050
- Mustard Green #A8B504 ΔE 0.055
Use #C8BE21 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.