#E37F01
Closest named color: Pumpkin (#E17701). oklch(69.2% 0.162 59.8), rgb(227, 127, 1).
Aa
Black text reads best on this color (7.30:1).
About this color
#E37F01 is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.162 and its hue 60°. Its hue sits on the warm side of the wheel. The nearest named color is Pumpkin (#E17701), ΔE 0.019 away. Black text reads best on it, at 7.30:1.
| Hue family | Oranges |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Pumpkin (#E17701) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #E37F01 |
| RGB | rgb(227, 127, 1) |
| HSL | hsl(33, 99%, 45%) |
| OKLCH | oklch(69.2% 0.162 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 #E37F01 | 2.87:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #E37F01 | 7.30:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #E37F01 text on white | 2.87:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #E37F01 text on black | 7.30:1 | AAA | Lc -47.4 | 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
#FDF4ED
oklch(97.2% 0.013 60.6)
-
Step 100
100
#F9E6D7
oklch(93.6% 0.029 60.8)
-
Step 200
200
#F6D1B4
oklch(88.5% 0.057 60.1)
-
Step 300
300
#F1B17D
oklch(80.9% 0.101 59.8)
-
Step 400
400 (this color)
#E37F01
oklch(69.2% 0.162 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)
#E37F01 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) | #9E8A00 | 0.119 |
| Deuteranopia (no green cones) | #B5A101 | 0.109 |
| Tritanopia (no blue cones) | #F9686C | 0.114 |
| Achromatopsia (no color) | #989898 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E37F01
#E37F01
oklch(69.2% 0.162 59.8)
- #00A6F3
#00A6F3
oklch(69.1% 0.159 240)
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 #E37F01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pumpkin #E17701 ΔE 0.019
- Dull Orange #D8863B ΔE 0.029
- Orange Wheel #F77F00 ΔE 0.036
- Dusty Orange #F0833A ΔE 0.036
- Peru #CD853F ΔE 0.043
- Pumpkin Orange #FB7D07 ΔE 0.043
- Dark Orange #FF8C00 ΔE 0.061
- Dark Peach #DE7E5D ΔE 0.061
Use #E37F01 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.