#EF8601
Closest named color: Orange Wheel (#F77F00). oklch(72% 0.169 59.8), rgb(239, 134, 1).
Aa
Black text reads best on this color (8.08:1).
About this color
#EF8601 is a medium-light, vivid orange. In OKLCH its lightness is 72%, its chroma 0.169 and its hue 60°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Wheel (#F77F00), ΔE 0.019 away. Black text reads best on it, at 8.08:1.
| Hue family | Oranges |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Orange Wheel (#F77F00) |
| Black text | 8.08:1 |
| White text | 2.59:1 |
Values
| HEX | #EF8601 |
| RGB | rgb(239, 134, 1) |
| HSL | hsl(34, 99%, 47%) |
| OKLCH | oklch(72% 0.169 59.8) |
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 #EF8601 | 2.59:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #EF8601 | 8.08:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #EF8601 text on white | 2.59:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #EF8601 text on black | 8.08:1 | AAA | Lc -51.7 | 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
#FDF3EC
oklch(97% 0.014 57.6)
-
Step 100
100
#FAE6D6
oklch(93.7% 0.031 61.1)
-
Step 200
200
#F7D1B3
oklch(88.5% 0.059 60.2)
-
Step 300
300
#F3B079
oklch(80.8% 0.106 59.9)
-
Step 400
400 (this color)
#EF8601
oklch(72% 0.169 59.8)
-
Step 500
500
#C96F00
oklch(63.1% 0.149 59.4)
-
Step 600
600
#A95D00
oklch(55.5% 0.13 59.8)
-
Step 700
700
#8F4E00
oklch(49.2% 0.115 60)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#633400
oklch(37.8% 0.089 59.7)
-
Step 950
950
#3C1D00
oklch(26.9% 0.063 59.4)
#EF8601 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) | #A69200 | 0.125 |
| Deuteranopia (no green cones) | #BFAA01 | 0.113 |
| Tritanopia (no blue cones) | #FF6D72 | 0.117 |
| Achromatopsia (no color) | #A1A1A1 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF8601
#EF8601
oklch(72% 0.169 59.8)
- #08AFFF
#08AFFF
oklch(71.9% 0.163 240)
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 #EF8601, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Wheel #F77F00 ΔE 0.019
- Dusty Orange #F0833A ΔE 0.027
- Pumpkin Orange #FB7D07 ΔE 0.027
- Dark Orange #FF8C00 ΔE 0.033
- Faded Orange #F0944D ΔE 0.042
- Dull Orange #D8863B ΔE 0.044
- Pumpkin #E17701 ΔE 0.045
- Tangerine #FF9408 ΔE 0.045
Use #EF8601 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.