#E39B00
Closest named color: Gamboge (#EE9B00). oklch(74.2% 0.156 75.7), rgb(227, 155, 0).
Aa
Black text reads best on this color (8.95:1).
About this color
#E39B00 is a medium-light, vivid orange. In OKLCH its lightness is 74%, its chroma 0.156 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.019 away. Black text reads best on it, at 8.95:1.
| Hue family | Oranges |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 8.95:1 |
| White text | 2.34:1 |
Values
| HEX | #E39B00 |
| RGB | rgb(227, 155, 0) |
| HSL | hsl(41, 100%, 45%) |
| OKLCH | oklch(74.2% 0.156 75.7) |
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 #E39B00 | 2.34:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #E39B00 | 8.95:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #E39B00 text on white | 2.34:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #E39B00 text on black | 8.95:1 | AAA | Lc -56.2 | 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
#FBF4EC
oklch(97% 0.013 71.3)
-
Step 100
100
#F5E8D6
oklch(93.7% 0.028 76.2)
-
Step 200
200
#EED5B2
oklch(88.5% 0.054 76.2)
-
Step 300
300
#E5B877
oklch(80.9% 0.098 75.8)
-
Step 400
400 (this color)
#E39B00
oklch(74.2% 0.156 75.7)
-
Step 500
500
#B77C00
oklch(63.1% 0.133 75.6)
-
Step 600
600
#9A6800
oklch(55.6% 0.117 75.8)
-
Step 700
700
#825700
oklch(49.1% 0.103 75.7)
-
Step 800
800
#6B4700
oklch(42.8% 0.09 75.9)
-
Step 900
900
#593B00
oklch(37.8% 0.079 76.7)
-
Step 950
950
#362200
oklch(27% 0.057 76.3)
#E39B00 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) | #B59F00 | 0.075 |
| Deuteranopia (no green cones) | #C6B010 | 0.067 |
| Tritanopia (no blue cones) | #F88884 | 0.131 |
| Achromatopsia (no color) | #A9A9A9 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E39B00
#E39B00
oklch(74.2% 0.156 75.7)
- #6FAEFF
#6FAEFF
oklch(74.2% 0.135 255.3)
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 #E39B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.019
- Goldenrod #DAA520 ΔE 0.026
- Yellow Ochre #CB9D06 ΔE 0.040
- Burnt Yellow #D5AB09 ΔE 0.044
- Ocre #C69C04 ΔE 0.048
- Squash #F2AB15 ΔE 0.048
- Tangerine #FF9408 ΔE 0.049
- Earth Yellow #DDA15E ΔE 0.050
Use #E39B00 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.