#EF903D
Closest named color: Faded Orange (#F0944D). oklch(73.9% 0.149 58.1), rgb(239, 144, 61).
Aa
Black text reads best on this color (8.72:1).
About this color
#EF903D is a medium-light, vivid orange. In OKLCH its lightness is 74%, its chroma 0.149 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Orange (#F0944D), ΔE 0.014 away. Black text reads best on it, at 8.72:1.
| Hue family | Oranges |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Faded Orange (#F0944D) |
| Black text | 8.72:1 |
| White text | 2.40:1 |
Values
| HEX | #EF903D |
| RGB | rgb(239, 144, 61) |
| HSL | hsl(28, 85%, 59%) |
| OKLCH | oklch(73.9% 0.149 58.1) |
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 #EF903D | 2.40:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #EF903D | 8.72:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #EF903D text on white | 2.40:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #EF903D text on black | 8.72:1 | AAA | Lc -55.0 | 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
#FCF4ED
oklch(97.1% 0.013 63.9)
-
Step 100
100
#F8E6D9
oklch(93.6% 0.026 58.3)
-
Step 200
200
#F4D1B8
oklch(88.4% 0.052 57.5)
-
Step 300
300
#EFB284
oklch(81% 0.094 58)
-
Step 400
400 (this color)
#EF903D
oklch(73.9% 0.149 58.1)
-
Step 500
500
#CB6E00
oklch(63.2% 0.151 58.2)
-
Step 600
600
#AB5C00
oklch(55.6% 0.133 58.3)
-
Step 700
700
#904C00
oklch(49% 0.117 57.9)
-
Step 800
800
#773E00
oklch(42.7% 0.102 58.2)
-
Step 900
900
#643300
oklch(37.7% 0.09 58)
-
Step 950
950
#3D1D00
oklch(27% 0.064 58.4)
#EF903D 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) | #AD9A32 | 0.112 |
| Deuteranopia (no green cones) | #C3B03D | 0.102 |
| Tritanopia (no blue cones) | #FF7B7F | 0.102 |
| Achromatopsia (no color) | #A7A7A7 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF903D
#EF903D
oklch(73.9% 0.149 58.1)
- #33B6FD
#33B6FD
oklch(73.9% 0.149 238.3)
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 #EF903D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Orange #F0944D ΔE 0.014
- Dusty Orange #F0833A ΔE 0.029
- Dark Orange #FF8C00 ΔE 0.032
- Pastel Orange #FF964F ΔE 0.035
- Tangerine #FF9408 ΔE 0.037
- Orange Wheel #F77F00 ΔE 0.038
- Gamboge #EE9B00 ΔE 0.041
- Pumpkin Orange #FB7D07 ΔE 0.042
Use #EF903D 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.