#EF9527
Closest named color: Gamboge (#EE9B00). oklch(74.6% 0.156 64.9), rgb(239, 149, 39).
Aa
Black text reads best on this color (8.99:1).
About this color
#EF9527 is a medium-light, vivid orange. In OKLCH its lightness is 75%, its chroma 0.156 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.021 away. Black text reads best on it, at 8.99:1.
| Hue family | Oranges |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 8.99:1 |
| White text | 2.33:1 |
Values
| HEX | #EF9527 |
| RGB | rgb(239, 149, 39) |
| HSL | hsl(33, 86%, 55%) |
| OKLCH | oklch(74.6% 0.156 64.9) |
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 #EF9527 | 2.33:1 | Fails | Lc -50.5 | Large or bold text, headings |
| Black text on #EF9527 | 8.99:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #EF9527 text on white | 2.33:1 | Fails | Lc 45.6 | Large or bold text, headings |
| #EF9527 text on black | 8.99:1 | AAA | Lc -56.4 | 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
#FCF4ED
oklch(97.1% 0.013 63.9)
-
Step 100
100
#F8E6D7
oklch(93.5% 0.028 62.3)
-
Step 200
200
#F3D3B4
oklch(88.6% 0.055 66.1)
-
Step 300
300
#EDB47C
oklch(81% 0.098 65.2)
-
Step 400
400 (this color)
#EF9527
oklch(74.6% 0.156 64.9)
-
Step 500
500
#C37400
oklch(63.1% 0.142 64.7)
-
Step 600
600
#A46100
oklch(55.6% 0.125 64.9)
-
Step 700
700
#8A5100
oklch(49% 0.11 65.1)
-
Step 800
800
#724200
oklch(42.7% 0.096 65.1)
-
Step 900
900
#603600
oklch(37.7% 0.085 64.2)
-
Step 950
950
#3A1F00
oklch(27% 0.06 65.1)
#EF9527 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) | #B29D0C | 0.104 |
| Deuteranopia (no green cones) | #C7B229 | 0.092 |
| Tritanopia (no blue cones) | #FF8081 | 0.116 |
| Achromatopsia (no color) | #AAAAAA | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF9527
#EF9527
oklch(74.6% 0.156 64.9)
- #56B5FF
#56B5FF
oklch(74.7% 0.14 244.8)
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 #EF9527, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.021
- Tangerine #FF9408 ΔE 0.027
- Faded Orange #F0944D ΔE 0.028
- Dark Orange #FF8C00 ΔE 0.030
- Pastel Orange #FF964F ΔE 0.042
- Earth Yellow #DDA15E ΔE 0.047
- Dusty Orange #F0833A ΔE 0.047
- Orange Wheel #F77F00 ΔE 0.047
Use #EF9527 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.