#E59909
Closest named color: Gamboge (#EE9B00). oklch(74.1% 0.156 73.4), rgb(229, 153, 9).
Aa
Black text reads best on this color (8.89:1).
About this color
#E59909 is a medium-light, vivid orange. In OKLCH its lightness is 74%, its chroma 0.156 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.016 away. Black text reads best on it, at 8.89:1.
| Hue family | Oranges |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 8.89:1 |
| White text | 2.36:1 |
Values
| HEX | #E59909 |
| RGB | rgb(229, 153, 9) |
| HSL | hsl(39, 92%, 47%) |
| OKLCH | oklch(74.1% 0.156 73.4) |
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 #E59909 | 2.36:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #E59909 | 8.89:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #E59909 text on white | 2.36:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #E59909 text on black | 8.89:1 | AAA | Lc -55.9 | 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
#F6E7D6
oklch(93.5% 0.028 70.9)
-
Step 200
200
#EFD4B2
oklch(88.4% 0.054 73.4)
-
Step 300
300
#E7B778
oklch(80.9% 0.098 73.3)
-
Step 400
400 (this color)
#E59909
oklch(74.1% 0.156 73.4)
-
Step 500
500
#B97A00
oklch(63% 0.134 73.2)
-
Step 600
600
#9C6700
oklch(55.7% 0.118 73.9)
-
Step 700
700
#845600
oklch(49.2% 0.105 73.4)
-
Step 800
800
#6C4600
oklch(42.7% 0.091 73.9)
-
Step 900
900
#5B3A00
oklch(37.8% 0.08 73.5)
-
Step 950
950
#372100
oklch(27% 0.057 72.9)
#E59909 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) | #B49E00 | 0.081 |
| Deuteranopia (no green cones) | #C5B014 | 0.073 |
| Tritanopia (no blue cones) | #FA8582 | 0.129 |
| Achromatopsia (no color) | #A9A9A9 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E59909
#E59909
oklch(74.1% 0.156 73.4)
- #69AEFF
#69AEFF
oklch(74% 0.137 253.5)
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 #E59909, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.016
- Goldenrod #DAA520 ΔE 0.031
- Yellow Ochre #CB9D06 ΔE 0.044
- Tangerine #FF9408 ΔE 0.045
- Faded Orange #F0944D ΔE 0.048
- Earth Yellow #DDA15E ΔE 0.049
- Burnt Yellow #D5AB09 ΔE 0.050
- Squash #F2AB15 ΔE 0.050
Use #E59909 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.