#EF8B1C
Closest named color: Orange Wheel (#F77F00). oklch(72.9% 0.163 60.6), rgb(239, 139, 28).
Aa
Black text reads best on this color (8.37:1).
About this color
#EF8B1C is a medium-light, vivid orange. In OKLCH its lightness is 73%, its chroma 0.163 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Wheel (#F77F00), ΔE 0.027 away. Black text reads best on it, at 8.37:1.
| Hue family | Oranges |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Orange Wheel (#F77F00) |
| Black text | 8.37:1 |
| White text | 2.50:1 |
Values
| HEX | #EF8B1C |
| RGB | rgb(239, 139, 28) |
| HSL | hsl(32, 87%, 52%) |
| OKLCH | oklch(72.9% 0.163 60.6) |
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 #EF8B1C | 2.50:1 | Fails | Lc -53.8 | Large or bold text, headings |
| Black text on #EF8B1C | 8.37:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #EF8B1C text on white | 2.50:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #EF8B1C text on black | 8.37:1 | 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
#F9E6D7
oklch(93.6% 0.029 60.8)
-
Step 200
200
#F6D1B4
oklch(88.5% 0.057 60.1)
-
Step 300
300
#F1B17C
oklch(80.9% 0.102 60.3)
-
Step 400
400 (this color)
#EF8B1C
oklch(72.9% 0.163 60.6)
-
Step 500
500
#C87000
oklch(63.1% 0.147 60.3)
-
Step 600
600
#A85E00
oklch(55.6% 0.129 60.9)
-
Step 700
700
#8E4E00
oklch(49% 0.114 60.5)
-
Step 800
800
#753F00
oklch(42.6% 0.1 60.2)
-
Step 900
900
#623400
oklch(37.6% 0.088 60.4)
-
Step 950
950
#3C1E00
oklch(27.1% 0.063 61.1)
#EF8B1C 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) | #AA9600 | 0.119 |
| Deuteranopia (no green cones) | #C2AD1D | 0.107 |
| Tritanopia (no blue cones) | #FF7477 | 0.113 |
| Achromatopsia (no color) | #A4A4A4 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF8B1C
#EF8B1C
oklch(72.9% 0.163 60.6)
- #2CB2FF
#2CB2FF
oklch(73% 0.156 240.5)
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 #EF8B1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Wheel #F77F00 ΔE 0.027
- Dark Orange #FF8C00 ΔE 0.028
- Dusty Orange #F0833A ΔE 0.029
- Faded Orange #F0944D ΔE 0.032
- Pumpkin Orange #FB7D07 ΔE 0.033
- Tangerine #FF9408 ΔE 0.037
- Gamboge #EE9B00 ΔE 0.040
- Dull Orange #D8863B ΔE 0.046
Use #EF8B1C 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.