#E9900A
Closest named color: Gamboge (#EE9B00). oklch(72.9% 0.16 66.7), rgb(233, 144, 10).
Aa
Black text reads best on this color (8.45:1).
About this color
#E9900A is a medium-light, vivid orange. In OKLCH its lightness is 73%, its chroma 0.160 and its hue 67°. 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 8.45:1.
| Hue family | Oranges |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 8.45:1 |
| White text | 2.48:1 |
Values
| HEX | #E9900A |
| RGB | rgb(233, 144, 10) |
| HSL | hsl(36, 92%, 48%) |
| OKLCH | oklch(72.9% 0.16 66.7) |
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 #E9900A | 2.48:1 | Fails | Lc -53.4 | Large or bold text, headings |
| Black text on #E9900A | 8.45:1 | AAA | Lc 55.6 | Large or bold text, headings |
| #E9900A text on white | 2.48:1 | Fails | Lc 48.4 | Large or bold text, headings |
| #E9900A text on black | 8.45:1 | AAA | Lc -53.6 | 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
#FCF4EC
oklch(97.1% 0.014 67.7)
-
Step 100
100
#F8E7D6
oklch(93.7% 0.029 67.5)
-
Step 200
200
#F3D3B3
oklch(88.6% 0.056 67)
-
Step 300
300
#EDB479
oklch(80.9% 0.101 66.6)
-
Step 400
400 (this color)
#E9900A
oklch(72.9% 0.16 66.7)
-
Step 500
500
#C17600
oklch(63.2% 0.14 66.8)
-
Step 600
600
#A26200
oklch(55.5% 0.123 66.7)
-
Step 700
700
#895200
oklch(49.1% 0.109 66.6)
-
Step 800
800
#714300
oklch(42.8% 0.095 66.9)
-
Step 900
900
#5F3700
oklch(37.8% 0.084 66.2)
-
Step 950
950
#3A2000
oklch(27.2% 0.06 67)
#E9900A 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) | #AD9800 | 0.101 |
| Deuteranopia (no green cones) | #C2AD10 | 0.092 |
| Tritanopia (no blue cones) | #FF7A7B | 0.124 |
| Achromatopsia (no color) | #A4A4A4 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E9900A
#E9900A
oklch(72.9% 0.16 66.7)
- #4CAEFF
#4CAEFF
oklch(72.8% 0.149 246.8)
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 #E9900A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.029
- Dark Orange #FF8C00 ΔE 0.038
- Faded Orange #F0944D ΔE 0.039
- Tangerine #FF9408 ΔE 0.040
- Orange Wheel #F77F00 ΔE 0.042
- Dusty Orange #F0833A ΔE 0.044
- Dull Orange #D8863B ΔE 0.048
- Pumpkin Orange #FB7D07 ΔE 0.050
Use #E9900A 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.