#EF773F
Closest named color: Dusty Orange (#F0833A). oklch(69.9% 0.164 43.9), rgb(239, 119, 63).
Aa
Black text reads best on this color (7.38:1).
About this color
#EF773F is a medium-light, vivid orange. In OKLCH its lightness is 70%, its chroma 0.164 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.029 away. Black text reads best on it, at 7.38:1.
| Hue family | Oranges |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #EF773F |
| RGB | rgb(239, 119, 63) |
| HSL | hsl(19, 85%, 59%) |
| OKLCH | oklch(69.9% 0.164 43.9) |
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 #EF773F | 2.84:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #EF773F | 7.38:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #EF773F text on white | 2.84:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #EF773F text on black | 7.38:1 | AAA | Lc -47.9 | 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
#FEF3EE
oklch(97.1% 0.014 46.2)
-
Step 100
100
#FCE4DA
oklch(93.6% 0.03 44)
-
Step 200
200
#FBCEBB
oklch(88.5% 0.057 44.1)
-
Step 300
300
#F9AB8A
oklch(80.9% 0.103 43.8)
-
Step 400
400 (this color)
#EF773F
oklch(69.9% 0.164 43.9)
-
Step 500
500
#DF5900
oklch(63% 0.184 43.8)
-
Step 600
600
#BD4A00
oklch(55.6% 0.163 43.7)
-
Step 700
700
#A03E00
oklch(49.2% 0.143 44)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900
#6F2800
oklch(37.7% 0.111 43.6)
-
Step 950
950
#441600
oklch(27% 0.078 44.2)
#EF773F 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) | #988938 | 0.152 |
| Deuteranopia (no green cones) | #B5A33C | 0.139 |
| Tritanopia (no blue cones) | #FF5E6B | 0.083 |
| Achromatopsia (no color) | #999999 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF773F
#EF773F
oklch(69.9% 0.164 43.9)
- #00AFDA
#00AFDA
oklch(70% 0.131 223.6)
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 #EF773F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.029
- Burnt Sienna #E76F51 ΔE 0.033
- Pinkish Orange #FF724C ΔE 0.034
- Melon #FF7855 ΔE 0.037
- Coral #FF7F50 ΔE 0.038
- Dark Peach #DE7E5D ΔE 0.038
- Pumpkin Orange #FB7D07 ΔE 0.039
- Orange Pink #FF6F52 ΔE 0.040
Use #EF773F 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.