#EC9539
Closest named color: Faded Orange (#F0944D). oklch(74.4% 0.147 63), rgb(236, 149, 57).
Aa
Black text reads best on this color (8.92:1).
About this color
#EC9539 is a medium-light, vivid orange. In OKLCH its lightness is 74%, its chroma 0.147 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Orange (#F0944D), ΔE 0.019 away. Black text reads best on it, at 8.92:1.
| Hue family | Oranges |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Faded Orange (#F0944D) |
| Black text | 8.92:1 |
| White text | 2.35:1 |
Values
| HEX | #EC9539 |
| RGB | rgb(236, 149, 57) |
| HSL | hsl(31, 82%, 57%) |
| OKLCH | oklch(74.4% 0.147 63) |
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 #EC9539 | 2.35:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #EC9539 | 8.92:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #EC9539 text on white | 2.35:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #EC9539 text on black | 8.92:1 | AAA | Lc -56.0 | 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
#F7E7D8
oklch(93.7% 0.027 65.7)
-
Step 200
200
#F2D3B7
oklch(88.6% 0.051 64.2)
-
Step 300
300
#EBB482
oklch(80.9% 0.091 63.2)
-
Step 400
400 (this color)
#EC9539
oklch(74.4% 0.147 63)
-
Step 500
500
#C57200
oklch(63% 0.144 62.7)
-
Step 600
600
#A66000
oklch(55.7% 0.127 63.3)
-
Step 700
700
#8C5000
oklch(49.1% 0.112 63.2)
-
Step 800
800
#734100
oklch(42.7% 0.097 63.4)
-
Step 900
900
#613500
oklch(37.6% 0.086 62.3)
-
Step 950
950
#3B1E00
oklch(26.9% 0.062 62.2)
#EC9539 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) | #B09D2C | 0.101 |
| Deuteranopia (no green cones) | #C5B13A | 0.090 |
| Tritanopia (no blue cones) | #FF8182 | 0.108 |
| Achromatopsia (no color) | #A9A9A9 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC9539
#EC9539
oklch(74.4% 0.147 63)
- #4CB5FF
#4CB5FF
oklch(74.4% 0.144 243)
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 #EC9539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Orange #F0944D ΔE 0.019
- Gamboge #EE9B00 ΔE 0.029
- Tangerine #FF9408 ΔE 0.035
- Dark Orange #FF8C00 ΔE 0.036
- Earth Yellow #DDA15E ΔE 0.039
- Pastel Orange #FF964F ΔE 0.039
- Dusty Orange #F0833A ΔE 0.042
- Sandy Brown #F4A460 ΔE 0.045
Use #EC9539 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.