#E66B18
Closest named color: Pumpkin (#E17701). oklch(66.6% 0.174 47.7), rgb(230, 107, 24).
Aa
Black text reads best on this color (6.48:1).
About this color
#E66B18 is a medium-light, vivid orange. In OKLCH its lightness is 67%, its chroma 0.174 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Pumpkin (#E17701), ΔE 0.029 away. Black text reads best on it, at 6.48:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Pumpkin (#E17701) |
| Black text | 6.48:1 |
| White text | 3.24:1 |
Values
| HEX | #E66B18 |
| RGB | rgb(230, 107, 24) |
| HSL | hsl(24, 81%, 50%) |
| OKLCH | oklch(66.6% 0.174 47.7) |
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 #E66B18 | 3.24:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #E66B18 | 6.48:1 | AA | Lc 45.1 | Large or bold text, headings |
| #E66B18 text on white | 3.24:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #E66B18 text on black | 6.48:1 | AA | Lc -42.8 | 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 500.
-
Step 50
50
#FCF3EF
oklch(97% 0.011 45.7)
-
Step 100
100
#F9E5DC
oklch(93.6% 0.025 45.9)
-
Step 200
200
#F5D0BF
oklch(88.5% 0.048 46.1)
-
Step 300
300
#EFB091
oklch(80.8% 0.085 47.3)
-
Step 400
400
#E48450
oklch(70.7% 0.136 47.9)
-
Step 500
500 (this color)
#E66B18
oklch(66.6% 0.174 47.7)
-
Step 600
600
#B75000
oklch(55.5% 0.152 47.7)
-
Step 700
700
#9B4300
oklch(49.2% 0.134 47.9)
-
Step 800
800
#803600
oklch(42.8% 0.117 47.8)
-
Step 900
900
#6B2C00
oklch(37.6% 0.103 47.9)
-
Step 950
950
#411901
oklch(27% 0.071 48.4)
#E66B18 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) | #8F7E00 | 0.158 |
| Deuteranopia (no green cones) | #AC9A11 | 0.144 |
| Tritanopia (no blue cones) | #FD4E5C | 0.097 |
| Achromatopsia (no color) | #8F8F8F | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E66B18
#E66B18
oklch(66.6% 0.174 47.7)
- #00A2D2
#00A2D2
oklch(66.5% 0.13 228.1)
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 #E66B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pumpkin #E17701 ΔE 0.029
- Chocolate #D2691E ΔE 0.038
- Burnt Sienna #E76F51 ΔE 0.042
- Orange Pant #FB5607 ΔE 0.048
- Bright Orange #FF5B00 ΔE 0.049
- Browny Orange #CA6B02 ΔE 0.053
- Rust #CA6702 ΔE 0.055
- Dusty Orange #F0833A ΔE 0.056
Use #E66B18 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.