#EFA03B
Closest named color: Gamboge (#EE9B00). oklch(76.7% 0.146 68.5), rgb(239, 160, 59).
Aa
Black text reads best on this color (9.76:1).
About this color
#EFA03B is a medium-light, vivid orange. In OKLCH its lightness is 77%, its chroma 0.146 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.022 away. Black text reads best on it, at 9.76:1.
| Hue family | Oranges |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.76:1 |
| White text | 2.15:1 |
Values
| HEX | #EFA03B |
| RGB | rgb(239, 160, 59) |
| HSL | hsl(34, 85%, 58%) |
| OKLCH | oklch(76.7% 0.146 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 #EFA03B | 2.15:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #EFA03B | 9.76:1 | AAA | Lc 62.0 | Content text, not long reading |
| #EFA03B text on white | 2.15:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #EFA03B text on black | 9.76:1 | AAA | Lc -60.3 | Content text, not long reading |
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
#FFF3E8
oklch(97.1% 0.02 65.1)
-
Step 100
100
#FDE5CC
oklch(93.5% 0.042 68.4)
-
Step 200
200
#FDD09F
oklch(88.5% 0.081 68.9)
-
Step 300
300 (this color)
#EFA03B
oklch(76.7% 0.146 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)
#EFA03B 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) | #BAA62D | 0.088 |
| Deuteranopia (no green cones) | #CDB83D | 0.077 |
| Tritanopia (no blue cones) | #FF8D8C | 0.114 |
| Achromatopsia (no color) | #B1B1B1 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFA03B
#EFA03B
oklch(76.7% 0.146 68.5)
- #70B9FF
#70B9FF
oklch(76.6% 0.125 248.8)
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 #EFA03B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.022
- Sandy Brown #F4A460 ΔE 0.033
- Mango #FFA62B ΔE 0.033
- Tangerine #FF9408 ΔE 0.035
- Light Orange #FDAA48 ΔE 0.035
- Faded Orange #F0944D ΔE 0.036
- Orange #FFA500 ΔE 0.036
- Squash #F2AB15 ΔE 0.037
Use #EFA03B 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.