#E4B100
Closest named color: Dark Yellow (#D5B60A). oklch(78.5% 0.16 87.7), rgb(228, 177, 0).
Aa
Black text reads best on this color (10.58:1).
About this color
#E4B100 is a light, vivid orange. In OKLCH its lightness is 78%, its chroma 0.160 and its hue 88°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Yellow (#D5B60A), ΔE 0.025 away. Black text reads best on it, at 10.58:1.
| Hue family | Oranges |
| Lightness | light (78%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Dark Yellow (#D5B60A) |
| Black text | 10.58:1 |
| White text | 1.98:1 |
Values
| HEX | #E4B100 |
| RGB | rgb(228, 177, 0) |
| HSL | hsl(47, 100%, 45%) |
| OKLCH | oklch(78.5% 0.16 87.7) |
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 #E4B100 | 1.98:1 | Fails | Lc -42.5 | Non-text elements, placeholder text |
| Black text on #E4B100 | 10.58:1 | AAA | Lc 65.9 | Content text, not long reading |
| #E4B100 text on white | 1.98:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #E4B100 text on black | 10.58:1 | AAA | Lc -64.4 | 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
#FBF5E6
oklch(97.1% 0.021 88.7)
-
Step 100
100
#F7E9C7
oklch(93.7% 0.047 88.3)
-
Step 200
200
#F2D694
oklch(88.4% 0.089 87.5)
-
Step 300
300 (this color)
#E4B100
oklch(78.5% 0.16 87.7)
-
Step 400
400
#C69A00
oklch(70.7% 0.145 88.1)
-
Step 500
500
#AA8300
oklch(63% 0.129 87.5)
-
Step 600
600
#8F6E00
oklch(55.5% 0.114 87.7)
-
Step 700
700
#795C00
oklch(49.1% 0.1 87.1)
-
Step 800
800
#634B00
oklch(42.6% 0.087 87.5)
-
Step 900
900
#533E00
oklch(37.6% 0.077 86.9)
-
Step 950
950
#322400
oklch(27% 0.055 86.6)
#E4B100 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) | #C9B000 | 0.043 |
| Deuteranopia (no green cones) | #D5BE19 | 0.037 |
| Tritanopia (no blue cones) | #F89F97 | 0.146 |
| Achromatopsia (no color) | #B8B8B8 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4B100
#E4B100
oklch(78.5% 0.16 87.7)
- #9BB7FF
#9BB7FF
oklch(78.6% 0.108 267.6)
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 #E4B100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Yellow #D5B60A ΔE 0.025
- Macaroni And Cheese #EFB435 ΔE 0.027
- Squash #F2AB15 ΔE 0.028
- Burnt Yellow #D5AB09 ΔE 0.029
- Mustard #CEB301 ΔE 0.035
- Goldenrod #DAA520 ΔE 0.037
- Yellow Orange #FCB001 ΔE 0.039
- Mustard Yellow #D2BD0A ΔE 0.039
Use #E4B100 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.