#EF8901
Closest named color: Orange Wheel (#F77F00). oklch(72.5% 0.168 61.3), rgb(239, 137, 1).
Aa
Black text reads best on this color (8.24:1).
About this color
#EF8901 is a medium-light, vivid orange. In OKLCH its lightness is 72%, its chroma 0.168 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Wheel (#F77F00), ΔE 0.025 away. Black text reads best on it, at 8.24:1.
| Hue family | Oranges |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Orange Wheel (#F77F00) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #EF8901 |
| RGB | rgb(239, 137, 1) |
| HSL | hsl(34, 99%, 47%) |
| OKLCH | oklch(72.5% 0.168 61.3) |
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 #EF8901 | 2.54:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #EF8901 | 8.24:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #EF8901 text on white | 2.54:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #EF8901 text on black | 8.24:1 | AAA | Lc -52.6 | 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
#FDF4EC
oklch(97.2% 0.014 64.3)
-
Step 100
100
#FAE6D6
oklch(93.7% 0.031 61.1)
-
Step 200
200
#F6D1B3
oklch(88.5% 0.058 61)
-
Step 300
300
#F2B179
oklch(80.9% 0.105 61.3)
-
Step 400
400 (this color)
#EF8901
oklch(72.5% 0.168 61.3)
-
Step 500
500
#C77100
oklch(63.1% 0.146 61.3)
-
Step 600
600
#A85E00
oklch(55.6% 0.129 60.9)
-
Step 700
700
#8E4F00
oklch(49.2% 0.114 61.3)
-
Step 800
800
#754000
oklch(42.8% 0.099 61.2)
-
Step 900
900
#623500
oklch(37.8% 0.087 61.6)
-
Step 950
950
#3C1E00
oklch(27.1% 0.063 61.1)
#EF8901 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) | #A99400 | 0.119 |
| Deuteranopia (no green cones) | #C1AC03 | 0.109 |
| Tritanopia (no blue cones) | #FF7175 | 0.118 |
| Achromatopsia (no color) | #A2A2A2 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF8901
#EF8901
oklch(72.5% 0.168 61.3)
- #2AB0FF
#2AB0FF
oklch(72.5% 0.158 241.3)
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 #EF8901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Wheel #F77F00 ΔE 0.025
- Dark Orange #FF8C00 ΔE 0.030
- Dusty Orange #F0833A ΔE 0.031
- Pumpkin Orange #FB7D07 ΔE 0.032
- Faded Orange #F0944D ΔE 0.039
- Tangerine #FF9408 ΔE 0.040
- Gamboge #EE9B00 ΔE 0.042
- Dull Orange #D8863B ΔE 0.046
Use #EF8901 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.