#EF770A
Closest named color: Orange Wheel (#F77F00). oklch(69.6% 0.176 52.2), rgb(239, 119, 10).
Aa
Black text reads best on this color (7.31:1).
About this color
#EF770A is a medium-light, vivid orange. In OKLCH its lightness is 70%, its chroma 0.176 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Wheel (#F77F00), ΔE 0.024 away. Black text reads best on it, at 7.31:1.
| Hue family | Oranges |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Orange Wheel (#F77F00) |
| Black text | 7.31:1 |
| White text | 2.87:1 |
Values
| HEX | #EF770A |
| RGB | rgb(239, 119, 10) |
| HSL | hsl(29, 92%, 49%) |
| OKLCH | oklch(69.6% 0.176 52.2) |
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 #EF770A | 2.87:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #EF770A | 7.31:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #EF770A text on white | 2.87:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #EF770A text on black | 7.31:1 | AAA | Lc -47.6 | 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
#FEF3ED
oklch(97.1% 0.014 50.8)
-
Step 100
100
#FCE5D7
oklch(93.7% 0.032 53.5)
-
Step 200
200
#FBCFB5
oklch(88.6% 0.061 52.2)
-
Step 300
300
#F9AC7D
oklch(80.8% 0.11 52)
-
Step 400
400 (this color)
#EF770A
oklch(69.6% 0.176 52.2)
-
Step 500
500
#D36700
oklch(63.2% 0.162 52.1)
-
Step 600
600
#B25600
oklch(55.7% 0.143 52.2)
-
Step 700
700
#964700
oklch(49% 0.126 51.9)
-
Step 800
800
#7C3A00
oklch(42.8% 0.11 52.3)
-
Step 900
900
#682F00
oklch(37.6% 0.097 51.8)
-
Step 950
950
#401A00
oklch(27% 0.07 51.3)
#EF770A 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) | #9A8700 | 0.149 |
| Deuteranopia (no green cones) | #B7A302 | 0.136 |
| Tritanopia (no blue cones) | #FF5B66 | 0.106 |
| Achromatopsia (no color) | #989898 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF770A
#EF770A
oklch(69.6% 0.176 52.2)
- #00ABE6
#00ABE6
oklch(69.6% 0.142 232.2)
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 #EF770A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Wheel #F77F00 ΔE 0.024
- Pumpkin #E17701 ΔE 0.026
- Pumpkin Orange #FB7D07 ΔE 0.027
- Dusty Orange #F0833A ΔE 0.029
- Dull Orange #D8863B ΔE 0.047
- Coral #FF7F50 ΔE 0.054
- Pinkish Orange #FF724C ΔE 0.054
- Bright Orange #FF5B00 ΔE 0.056
Use #EF770A 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.