#EF8B2B
Closest named color: Dusty Orange (#F0833A). oklch(73% 0.158 58.7), rgb(239, 139, 43).
Aa
Black text reads best on this color (8.39:1).
About this color
#EF8B2B is a medium-light, vivid orange. In OKLCH its lightness is 73%, its chroma 0.158 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.024 away. Black text reads best on it, at 8.39:1.
| Hue family | Oranges |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #EF8B2B |
| RGB | rgb(239, 139, 43) |
| HSL | hsl(29, 86%, 55%) |
| OKLCH | oklch(73% 0.158 58.7) |
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 #EF8B2B | 2.50:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #EF8B2B | 8.39:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #EF8B2B text on white | 2.50:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #EF8B2B text on black | 8.39:1 | AAA | Lc -53.3 | 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
#FDF4ED
oklch(97.2% 0.013 60.6)
-
Step 100
100
#F9E6D8
oklch(93.6% 0.028 58.8)
-
Step 200
200
#F6D1B6
oklch(88.5% 0.055 58.1)
-
Step 300
300
#F1B17F
oklch(80.9% 0.099 58.8)
-
Step 400
400 (this color)
#EF8B2B
oklch(73% 0.158 58.7)
-
Step 500
500
#CA6E00
oklch(63% 0.15 58.5)
-
Step 600
600
#AA5C00
oklch(55.5% 0.132 58.7)
-
Step 700
700
#904D00
oklch(49.1% 0.117 58.7)
-
Step 800
800
#773E00
oklch(42.7% 0.102 58.2)
-
Step 900
900
#633300
oklch(37.6% 0.089 58.6)
-
Step 950
950
#3D1D00
oklch(27% 0.064 58.4)
#EF8B2B 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) | #A99619 | 0.121 |
| Deuteranopia (no green cones) | #C1AD2B | 0.108 |
| Tritanopia (no blue cones) | #FF7479 | 0.109 |
| Achromatopsia (no color) | #A4A4A4 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF8B2B
#EF8B2B
oklch(73% 0.158 58.7)
- #1AB3FF
#1AB3FF
oklch(72.9% 0.159 238.7)
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 #EF8B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.024
- Orange Wheel #F77F00 ΔE 0.027
- Faded Orange #F0944D ΔE 0.027
- Dark Orange #FF8C00 ΔE 0.030
- Pumpkin Orange #FB7D07 ΔE 0.032
- Tangerine #FF9408 ΔE 0.039
- Gamboge #EE9B00 ΔE 0.044
- Dull Orange #D8863B ΔE 0.044
Use #EF8B2B 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.