#E39109
Closest named color: Gamboge (#EE9B00). oklch(72.4% 0.156 69.5), rgb(227, 145, 9).
Aa
Black text reads best on this color (8.32:1).
About this color
#E39109 is a medium-light, vivid orange. In OKLCH its lightness is 72%, its chroma 0.156 and its hue 69°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.032 away. Black text reads best on it, at 8.32:1.
| Hue family | Oranges |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 8.32:1 |
| White text | 2.52:1 |
Values
| HEX | #E39109 |
| RGB | rgb(227, 145, 9) |
| HSL | hsl(37, 92%, 46%) |
| OKLCH | oklch(72.4% 0.156 69.5) |
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 #E39109 | 2.52:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #E39109 | 8.32:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #E39109 text on white | 2.52:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #E39109 text on black | 8.32:1 | AAA | Lc -52.9 | 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
#F7E7D6
oklch(93.6% 0.029 69.2)
-
Step 200
200
#F1D4B3
oklch(88.6% 0.054 70.6)
-
Step 300
300
#EAB67A
oklch(81% 0.098 69.7)
-
Step 400
400 (this color)
#E39109
oklch(72.4% 0.156 69.5)
-
Step 500
500
#BE7800
oklch(63.2% 0.137 69.5)
-
Step 600
600
#A06400
oklch(55.6% 0.121 69.2)
-
Step 700
700
#875400
oklch(49.2% 0.107 69.6)
-
Step 800
800
#6F4400
oklch(42.7% 0.093 69.4)
-
Step 900
900
#5D3800
oklch(37.7% 0.082 69.1)
-
Step 950
950
#382000
oklch(26.9% 0.058 69.5)
#E39109 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) | #AC9700 | 0.092 |
| Deuteranopia (no green cones) | #C0AB11 | 0.082 |
| Tritanopia (no blue cones) | #F87D7C | 0.124 |
| Achromatopsia (no color) | #A3A3A3 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E39109
#E39109
oklch(72.4% 0.156 69.5)
- #52ABFF
#52ABFF
oklch(72.4% 0.15 249.5)
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 #E39109, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.032
- Dull Orange #D8863B ΔE 0.045
- Faded Orange #F0944D ΔE 0.046
- Yellow Ochre #CB9D06 ΔE 0.048
- Goldenrod #DAA520 ΔE 0.048
- Dark Orange #FF8C00 ΔE 0.048
- Tangerine #FF9408 ΔE 0.050
- Orange Wheel #F77F00 ΔE 0.050
Use #E39109 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.