#E4931F
Closest named color: Gamboge (#EE9B00). oklch(72.9% 0.151 68.7), rgb(228, 147, 31).
Aa
Black text reads best on this color (8.49:1).
About this color
#E4931F is a medium-light, vivid orange. In OKLCH its lightness is 73%, its chroma 0.151 and its hue 69°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.029 away. Black text reads best on it, at 8.49:1.
| Hue family | Oranges |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 8.49:1 |
| White text | 2.47:1 |
Values
| HEX | #E4931F |
| RGB | rgb(228, 147, 31) |
| HSL | hsl(35, 78%, 51%) |
| OKLCH | oklch(72.9% 0.151 68.7) |
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 #E4931F | 2.47:1 | Fails | Lc -53.3 | Large or bold text, headings |
| Black text on #E4931F | 8.49:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #E4931F text on white | 2.47:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #E4931F text on black | 8.49:1 | AAA | Lc -53.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#FBF4ED
oklch(97.1% 0.012 67.7)
-
Step 100
100
#F6E7D7
oklch(93.6% 0.027 69.3)
-
Step 200
200
#F1D4B5
oklch(88.6% 0.052 68.9)
-
Step 300
300
#E9B67D
oklch(81% 0.094 69)
-
Step 400
400 (this color)
#E4931F
oklch(72.9% 0.151 68.7)
-
Step 500
500
#BE7700
oklch(63% 0.138 68.8)
-
Step 600
600
#A16400
oklch(55.7% 0.122 68.7)
-
Step 700
700
#875300
oklch(49% 0.107 68.7)
-
Step 800
800
#6F4400
oklch(42.7% 0.093 69.4)
-
Step 900
900
#5D3800
oklch(37.7% 0.082 69.1)
-
Step 950
950
#392000
oklch(27% 0.059 68.3)
#E4931F 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) | #AE9900 | 0.092 |
| Deuteranopia (no green cones) | #C1AC23 | 0.081 |
| Tritanopia (no blue cones) | #F97F7E | 0.120 |
| Achromatopsia (no color) | #A5A5A5 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4931F
#E4931F
oklch(72.9% 0.151 68.7)
- #54ADFF
#54ADFF
oklch(72.9% 0.147 248.9)
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 #E4931F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.029
- Faded Orange #F0944D ΔE 0.039
- Dull Orange #D8863B ΔE 0.046
- Goldenrod #DAA520 ΔE 0.046
- Dark Orange #FF8C00 ΔE 0.046
- Tangerine #FF9408 ΔE 0.046
- Earth Yellow #DDA15E ΔE 0.047
- Dusty Orange #F0833A ΔE 0.049
Use #E4931F 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.