#EF9C2B
Closest named color: Gamboge (#EE9B00). oklch(75.9% 0.153 68.5), rgb(239, 156, 43).
Aa
Black text reads best on this color (9.46:1).
About this color
#EF9C2B is a medium-light, vivid orange. In OKLCH its lightness is 76%, its chroma 0.153 and its hue 69°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.013 away. Black text reads best on it, at 9.46:1.
| Hue family | Oranges |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.46:1 |
| White text | 2.21:1 |
Values
| HEX | #EF9C2B |
| RGB | rgb(239, 156, 43) |
| HSL | hsl(35, 86%, 55%) |
| OKLCH | oklch(75.9% 0.153 68.5) |
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 #EF9C2B | 2.21:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #EF9C2B | 9.46:1 | AAA | Lc 60.6 | Content text, not long reading |
| #EF9C2B text on white | 2.21:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #EF9C2B text on black | 9.46:1 | AAA | Lc -58.8 | 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 300.
-
Step 50
50
#FFF3E7
oklch(97% 0.021 67.6)
-
Step 100
100
#FEE5CB
oklch(93.6% 0.044 68.3)
-
Step 200
200
#FFCF9C
oklch(88.4% 0.085 68.1)
-
Step 300
300 (this color)
#EF9C2B
oklch(75.9% 0.153 68.5)
-
Step 400
400
#DE8B00
oklch(70.7% 0.155 68.3)
-
Step 500
500
#BF7700
oklch(63.2% 0.138 68.4)
-
Step 600
600
#A16400
oklch(55.7% 0.122 68.7)
-
Step 700
700
#885300
oklch(49.1% 0.108 68.1)
-
Step 800
800
#704400
oklch(42.8% 0.094 68.6)
-
Step 900
900
#5D3800
oklch(37.7% 0.082 69.1)
-
Step 950
950
#392000
oklch(27% 0.059 68.3)
#EF9C2B 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) | #B8A212 | 0.093 |
| Deuteranopia (no green cones) | #CBB62E | 0.083 |
| Tritanopia (no blue cones) | #FF8887 | 0.119 |
| Achromatopsia (no color) | #AEAEAE | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF9C2B
#EF9C2B
oklch(75.9% 0.153 68.5)
- #6AB7FF
#6AB7FF
oklch(75.9% 0.129 248.4)
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 #EF9C2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.013
- Tangerine #FF9408 ΔE 0.029
- Faded Orange #F0944D ΔE 0.036
- Mango #FFA62B ΔE 0.038
- Orange #FFA500 ΔE 0.039
- Dark Orange #FF8C00 ΔE 0.040
- Squash #F2AB15 ΔE 0.040
- Goldenrod #DAA520 ΔE 0.042
Use #EF9C2B 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.