#E66F01
Closest named color: Pumpkin (#E17701). oklch(67.1% 0.174 51.2), rgb(230, 111, 1).
Aa
Black text reads best on this color (6.63:1).
About this color
#E66F01 is a medium-light, vivid orange. In OKLCH its lightness is 67%, its chroma 0.174 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Pumpkin (#E17701), ΔE 0.018 away. Black text reads best on it, at 6.63:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Pumpkin (#E17701) |
| Black text | 6.63:1 |
| White text | 3.16:1 |
Values
| HEX | #E66F01 |
| RGB | rgb(230, 111, 1) |
| HSL | hsl(29, 99%, 45%) |
| OKLCH | oklch(67.1% 0.174 51.2) |
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 #E66F01 | 3.16:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #E66F01 | 6.63:1 | AA | Lc 46.0 | Large or bold text, headings |
| #E66F01 text on white | 3.16:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #E66F01 text on black | 6.63:1 | AA | Lc -43.7 | Non-text elements, placeholder text |
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
#FEF3ED
oklch(97.1% 0.014 50.8)
-
Step 100
100
#FCE5D7
oklch(93.7% 0.032 53.5)
-
Step 200
200
#FBCFB5
oklch(88.6% 0.061 52.2)
-
Step 300
300
#F9AC7F
oklch(80.9% 0.109 51)
-
Step 400
400 (this color)
#E66F01
oklch(67.1% 0.174 51.2)
-
Step 500
500
#D46600
oklch(63.2% 0.164 51.4)
-
Step 600
600
#B35500
oklch(55.7% 0.144 51.3)
-
Step 700
700
#974600
oklch(49% 0.128 50.9)
-
Step 800
800
#7D3900
oklch(42.8% 0.111 51.1)
-
Step 900
900
#692F00
oklch(37.8% 0.098 51.3)
-
Step 950
950
#401A00
oklch(27% 0.07 51.3)
#E66F01 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) | #928000 | 0.149 |
| Deuteranopia (no green cones) | #AF9B00 | 0.135 |
| Tritanopia (no blue cones) | #FD535F | 0.105 |
| Achromatopsia (no color) | #919191 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E66F01
#E66F01
oklch(67.1% 0.174 51.2)
- #00A3D9
#00A3D9
oklch(67.1% 0.135 231)
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 #E66F01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pumpkin #E17701 ΔE 0.018
- Chocolate #D2691E ΔE 0.042
- Orange Wheel #F77F00 ΔE 0.049
- Burnt Sienna #E76F51 ΔE 0.050
- Dusty Orange #F0833A ΔE 0.050
- Dull Orange #D8863B ΔE 0.051
- Pumpkin Orange #FB7D07 ΔE 0.052
- Browny Orange #CA6B02 ΔE 0.053
Use #E66F01 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.