#E9991B
Closest named color: Gamboge (#EE9B00). oklch(74.6% 0.155 70.7), rgb(233, 153, 27).
Aa
Black text reads best on this color (9.03:1).
About this color
#E9991B is a medium-light, vivid orange. In OKLCH its lightness is 75%, its chroma 0.155 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.012 away. Black text reads best on it, at 9.03:1.
| Hue family | Oranges |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.03:1 |
| White text | 2.32:1 |
Values
| HEX | #E9991B |
| RGB | rgb(233, 153, 27) |
| HSL | hsl(37, 82%, 51%) |
| OKLCH | oklch(74.6% 0.155 70.7) |
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 #E9991B | 2.32:1 | Fails | Lc -50.4 | Large or bold text, headings |
| Black text on #E9991B | 9.03:1 | AAA | Lc 58.5 | Large or bold text, headings |
| #E9991B text on white | 2.32:1 | Fails | Lc 45.5 | Large or bold text, headings |
| #E9991B text on black | 9.03:1 | AAA | Lc -56.6 | 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
#FBF4EC
oklch(97% 0.013 71.3)
-
Step 100
100
#F6E7D6
oklch(93.5% 0.028 70.9)
-
Step 200
200
#F0D4B3
oklch(88.5% 0.054 71.6)
-
Step 300
300
#E9B67A
oklch(80.9% 0.097 70.3)
-
Step 400
400 (this color)
#E9991B
oklch(74.6% 0.155 70.7)
-
Step 500
500
#BC7900
oklch(63.1% 0.136 71.1)
-
Step 600
600
#9F6500
oklch(55.7% 0.12 70.6)
-
Step 700
700
#865400
oklch(49.1% 0.106 70.2)
-
Step 800
800
#6E4500
oklch(42.8% 0.092 71.2)
-
Step 900
900
#5C3900
oklch(37.7% 0.081 71.3)
-
Step 950
950
#382100
oklch(27.1% 0.058 71.5)
#E9991B 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) | #B49F00 | 0.089 |
| Deuteranopia (no green cones) | #C7B220 | 0.079 |
| Tritanopia (no blue cones) | #FF8583 | 0.125 |
| Achromatopsia (no color) | #AAAAAA | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E9991B
#E9991B
oklch(74.6% 0.155 70.7)
- #66B1FF
#66B1FF
oklch(74.5% 0.136 251)
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 #E9991B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.012
- Goldenrod #DAA520 ΔE 0.036
- Tangerine #FF9408 ΔE 0.037
- Faded Orange #F0944D ΔE 0.041
- Dark Orange #FF8C00 ΔE 0.044
- Earth Yellow #DDA15E ΔE 0.046
- Squash #F2AB15 ΔE 0.048
- Orange #FFA500 ΔE 0.050
Use #E9991B 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.