#D4B103
Closest named color: Mustard (#CEB301). oklch(76.9% 0.157 94.6), rgb(212, 177, 3).
Aa
Black text reads best on this color (10.08:1).
About this color
#D4B103 is a medium-light, vivid yellow. In OKLCH its lightness is 77%, its chroma 0.157 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard (#CEB301), ΔE 0.010 away. Black text reads best on it, at 10.08:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Mustard (#CEB301) |
| Black text | 10.08:1 |
| White text | 2.08:1 |
Values
| HEX | #D4B103 |
| RGB | rgb(212, 177, 3) |
| HSL | hsl(50, 97%, 42%) |
| OKLCH | oklch(76.9% 0.157 94.6) |
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 #D4B103 | 2.08:1 | Fails | Lc -45.0 | Large or bold text, headings |
| Black text on #D4B103 | 10.08:1 | AAA | Lc 63.5 | Content text, not long reading |
| #D4B103 text on white | 2.08:1 | Fails | Lc 40.4 | Non-text elements, placeholder text |
| #D4B103 text on black | 10.08:1 | AAA | Lc -61.9 | 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
#FAF6E6
oklch(97.2% 0.021 95.3)
-
Step 100
100
#F3EAC8
oklch(93.5% 0.046 94.9)
-
Step 200
200
#EBD996
oklch(88.5% 0.088 94.9)
-
Step 300
300 (this color)
#D4B103
oklch(76.9% 0.157 94.6)
-
Step 400
400
#BE9E00
oklch(70.7% 0.145 94.4)
-
Step 500
500
#A38700
oklch(63.1% 0.129 94.2)
-
Step 600
600
#897100
oklch(55.5% 0.114 94.1)
-
Step 700
700
#735F00
oklch(49.1% 0.101 94.6)
-
Step 800
800
#5E4E00
oklch(42.8% 0.088 95.4)
-
Step 900
900
#4F4000
oklch(37.6% 0.077 93.9)
-
Step 950
950
#2F2600
oklch(27.1% 0.056 95.5)
#D4B103 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) | #C6AE00 | 0.024 |
| Deuteranopia (no green cones) | #CEB81D | 0.018 |
| Tritanopia (no blue cones) | #E6A197 | 0.145 |
| Achromatopsia (no color) | #B4B4B4 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D4B103
#D4B103
oklch(76.9% 0.157 94.6)
- #9DAEFF
#9DAEFF
oklch(76.9% 0.118 274.3)
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 #D4B103, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard #CEB301 ΔE 0.010
- Dark Yellow #D5B60A ΔE 0.013
- Burnt Yellow #D5AB09 ΔE 0.016
- Olive Yellow #C2B709 ΔE 0.030
- Mustard Yellow #D2BD0A ΔE 0.030
- Goldenrod #DAA520 ΔE 0.034
- Muddy Yellow #BFAC05 ΔE 0.036
- Macaroni And Cheese #EFB435 ΔE 0.050
Use #D4B103 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.