#EFA30A
Closest named color: Gamboge (#EE9B00). oklch(77.1% 0.161 75.1), rgb(239, 163, 10).
Aa
Black text reads best on this color (9.91:1).
About this color
#EFA30A is a medium-light, vivid orange. In OKLCH its lightness is 77%, its chroma 0.161 and its hue 75°. 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 9.91:1.
| Hue family | Oranges |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.91:1 |
| White text | 2.11:1 |
Values
| HEX | #EFA30A |
| RGB | rgb(239, 163, 10) |
| HSL | hsl(40, 92%, 49%) |
| OKLCH | oklch(77.1% 0.161 75.1) |
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 #EFA30A | 2.11:1 | Fails | Lc -45.8 | Large or bold text, headings |
| Black text on #EFA30A | 9.91:1 | AAA | Lc 62.8 | Content text, not long reading |
| #EFA30A text on white | 2.11:1 | Fails | Lc 41.2 | Non-text elements, placeholder text |
| #EFA30A text on black | 9.91:1 | AAA | Lc -61.1 | 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
#FEF4E6
oklch(97.1% 0.021 76.5)
-
Step 100
100
#FDE6C8
oklch(93.6% 0.047 74.5)
-
Step 200
200
#FCD196
oklch(88.4% 0.089 75)
-
Step 300
300 (this color)
#EFA30A
oklch(77.1% 0.161 75.1)
-
Step 400
400
#D69100
oklch(70.8% 0.149 75.1)
-
Step 500
500
#B77C00
oklch(63.1% 0.133 75.6)
-
Step 600
600
#9B6800
oklch(55.7% 0.117 75.3)
-
Step 700
700
#825700
oklch(49.1% 0.103 75.7)
-
Step 800
800
#6B4600
oklch(42.6% 0.09 74.7)
-
Step 900
900
#5A3A00
oklch(37.7% 0.08 74.4)
-
Step 950
950
#362200
oklch(27% 0.057 76.3)
#EFA30A 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) | #BEA700 | 0.080 |
| Deuteranopia (no green cones) | #D0BA17 | 0.071 |
| Tritanopia (no blue cones) | #FF8F8B | 0.133 |
| Achromatopsia (no color) | #B2B2B2 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFA30A
#EFA30A
oklch(77.1% 0.161 75.1)
- #80B7FF
#80B7FF
oklch(77% 0.119 255.5)
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 #EFA30A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.019
- Squash #F2AB15 ΔE 0.020
- Orange #FFA500 ΔE 0.028
- Mango #FFA62B ΔE 0.031
- Goldenrod #DAA520 ΔE 0.034
- Orange Yellow #FFAD01 ΔE 0.038
- Macaroni And Cheese #EFB435 ΔE 0.040
- Yellow Orange #FCB001 ΔE 0.040
Use #EFA30A 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.