#EF8554
Closest named color: Dusty Orange (#F0833A). oklch(72.4% 0.145 44.6), rgb(239, 133, 84).
Aa
Black text reads best on this color (8.15:1).
About this color
#EF8554 is a medium-light, vivid orange. In OKLCH its lightness is 72%, its chroma 0.145 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.022 away. Black text reads best on it, at 8.15:1.
| Hue family | Oranges |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 8.15:1 |
| White text | 2.57:1 |
Values
| HEX | #EF8554 |
| RGB | rgb(239, 133, 84) |
| HSL | hsl(19, 83%, 63%) |
| OKLCH | oklch(72.4% 0.145 44.6) |
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 #EF8554 | 2.57:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #EF8554 | 8.15:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #EF8554 text on white | 2.57:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #EF8554 text on black | 8.15:1 | AAA | Lc -52.0 | 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
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#FAE5DC
oklch(93.6% 0.026 44.7)
-
Step 200
200
#F7CFBE
oklch(88.4% 0.051 44.3)
-
Step 300
300
#F3AE90
oklch(80.9% 0.091 44.4)
-
Step 400
400 (this color)
#EF8554
oklch(72.4% 0.145 44.6)
-
Step 500
500
#DE5B00
oklch(63.1% 0.181 44.7)
-
Step 600
600
#BC4C00
oklch(55.7% 0.16 44.7)
-
Step 700
700
#9F3F00
oklch(49.2% 0.141 44.7)
-
Step 800
800
#833200
oklch(42.7% 0.123 44.4)
-
Step 900
900
#6E2900
oklch(37.7% 0.109 44.5)
-
Step 950
950
#431701
oklch(27% 0.076 44.8)
#EF8554 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) | #A2934F | 0.131 |
| Deuteranopia (no green cones) | #BBAA53 | 0.120 |
| Tritanopia (no blue cones) | #FF717A | 0.077 |
| Achromatopsia (no color) | #A1A1A1 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF8554
#EF8554
oklch(72.4% 0.145 44.6)
- #00B7E5
#00B7E5
oklch(72.4% 0.136 224.2)
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 #EF8554, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.022
- Coral #FF7F50 ΔE 0.028
- Melon #FF7855 ΔE 0.037
- Dark Peach #DE7E5D ΔE 0.038
- Faded Orange #F0944D ΔE 0.038
- Pinkish Orange #FF724C ΔE 0.044
- Orange Wheel #F77F00 ΔE 0.044
- Pumpkin Orange #FB7D07 ΔE 0.044
Use #EF8554 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.