#EF9550
Closest named color: Faded Orange (#F0944D). oklch(75% 0.137 56.1), rgb(239, 149, 80).
Aa
Black text reads best on this color (9.08:1).
About this color
#EF9550 is a medium-light, moderately saturated orange. In OKLCH its lightness is 75%, its chroma 0.137 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Orange (#F0944D), ΔE 0.003 away. Black text reads best on it, at 9.08:1.
| Hue family | Oranges |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Faded Orange (#F0944D) |
| Black text | 9.08:1 |
| White text | 2.31:1 |
Values
| HEX | #EF9550 |
| RGB | rgb(239, 149, 80) |
| HSL | hsl(26, 83%, 63%) |
| OKLCH | oklch(75% 0.137 56.1) |
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 #EF9550 | 2.31:1 | Fails | Lc -50.2 | Large or bold text, headings |
| Black text on #EF9550 | 9.08:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #EF9550 text on white | 2.31:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #EF9550 text on black | 9.08:1 | AAA | Lc -56.8 | 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 400.
-
Step 50
50
#FCF4EE
oklch(97.2% 0.012 59.6)
-
Step 100
100
#F8E6DA
oklch(93.6% 0.025 56.1)
-
Step 200
200
#F3D2BB
oklch(88.6% 0.048 56.9)
-
Step 300
300
#ECB38B
oklch(81% 0.085 56.2)
-
Step 400
400 (this color)
#EF9550
oklch(75% 0.137 56.1)
-
Step 500
500
#CD6C00
oklch(63.1% 0.154 56.4)
-
Step 600
600
#AD5A00
oklch(55.6% 0.136 56.3)
-
Step 700
700
#924B00
oklch(49.1% 0.12 56.3)
-
Step 800
800
#793D00
oklch(42.8% 0.105 56.2)
-
Step 900
900
#653200
oklch(37.7% 0.092 56.3)
-
Step 950
950
#3E1C00
oklch(27% 0.066 55.9)
#EF9550 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) | #AF9E49 | 0.106 |
| Deuteranopia (no green cones) | #C5B250 | 0.095 |
| Tritanopia (no blue cones) | #FF8285 | 0.091 |
| Achromatopsia (no color) | #AAAAAA | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF9550
#EF9550
oklch(75% 0.137 56.1)
- #43BAF9
#43BAF9
oklch(75% 0.138 236.3)
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 #EF9550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Orange #F0944D ΔE 0.003
- Pastel Orange #FF964F ΔE 0.028
- Sandy Brown #F4A460 ΔE 0.037
- Earth Yellow #DDA15E ΔE 0.037
- Dusty Orange #F0833A ΔE 0.039
- Dark Orange #FF8C00 ΔE 0.042
- Tangerine #FF9408 ΔE 0.043
- Dark Salmon #E9967A ΔE 0.046
Use #EF9550 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.