#EF8F08
Closest named color: Dark Orange (#FF8C00). oklch(73.5% 0.165 64.2), rgb(239, 143, 8).
Aa
Black text reads best on this color (8.60:1).
About this color
#EF8F08 is a medium-light, vivid orange. In OKLCH its lightness is 74%, its chroma 0.165 and its hue 64°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Orange (#FF8C00), ΔE 0.028 away. Black text reads best on it, at 8.60:1.
| Hue family | Oranges |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Dark Orange (#FF8C00) |
| Black text | 8.60:1 |
| White text | 2.44:1 |
Values
| HEX | #EF8F08 |
| RGB | rgb(239, 143, 8) |
| HSL | hsl(35, 94%, 48%) |
| OKLCH | oklch(73.5% 0.165 64.2) |
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 #EF8F08 | 2.44:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #EF8F08 | 8.60:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #EF8F08 text on white | 2.44:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #EF8F08 text on black | 8.60:1 | AAA | Lc -54.4 | 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
#FCF4EC
oklch(97.1% 0.014 67.7)
-
Step 100
100
#F9E6D6
oklch(93.6% 0.03 62.6)
-
Step 200
200
#F5D2B3
oklch(88.6% 0.057 63.5)
-
Step 300
300
#EFB378
oklch(80.9% 0.103 65)
-
Step 400
400 (this color)
#EF8F08
oklch(73.5% 0.165 64.2)
-
Step 500
500
#C47300
oklch(63.1% 0.143 63.7)
-
Step 600
600
#A56100
oklch(55.7% 0.126 64.5)
-
Step 700
700
#8B5100
oklch(49.2% 0.111 64.6)
-
Step 800
800
#734100
oklch(42.7% 0.097 63.4)
-
Step 900
900
#603600
oklch(37.7% 0.085 64.2)
-
Step 950
950
#3A1F00
oklch(27% 0.06 65.1)
#EF8F08 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) | #AD9800 | 0.111 |
| Deuteranopia (no green cones) | #C4AF0D | 0.101 |
| Tritanopia (no blue cones) | #FF787A | 0.121 |
| Achromatopsia (no color) | #A6A6A6 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF8F08
#EF8F08
oklch(73.5% 0.165 64.2)
- #48B2FF
#48B2FF
oklch(73.6% 0.148 244)
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 #EF8F08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orange #FF8C00 ΔE 0.028
- Gamboge #EE9B00 ΔE 0.029
- Tangerine #FF9408 ΔE 0.031
- Faded Orange #F0944D ΔE 0.035
- Orange Wheel #F77F00 ΔE 0.036
- Dusty Orange #F0833A ΔE 0.041
- Pumpkin Orange #FB7D07 ΔE 0.043
- Pastel Orange #FF964F ΔE 0.050
Use #EF8F08 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.