#F37912
Closest named color: Orange Wheel (#F77F00). oklch(70.5% 0.178 51.6), rgb(243, 121, 18).
Aa
Black text reads best on this color (7.55:1).
About this color
#F37912 is a medium-light, vivid orange. In OKLCH its lightness is 71%, its chroma 0.178 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Wheel (#F77F00), ΔE 0.017 away. Black text reads best on it, at 7.55:1.
| Hue family | Oranges |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Orange Wheel (#F77F00) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #F37912 |
| RGB | rgb(243, 121, 18) |
| HSL | hsl(27, 90%, 51%) |
| OKLCH | oklch(70.5% 0.178 51.6) |
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 #F37912 | 2.77:1 | Fails | Lc -58.2 | Large or bold text, headings |
| Black text on #F37912 | 7.55:1 | AAA | Lc 51.1 | Large or bold text, headings |
| #F37912 text on white | 2.77:1 | Fails | Lc 52.9 | Large or bold text, headings |
| #F37912 text on black | 7.55:1 | AAA | Lc -48.9 | 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
#FEF3ED
oklch(97.1% 0.014 50.8)
-
Step 100
100
#FCE4D7
oklch(93.5% 0.032 50.4)
-
Step 200
200
#FBCEB5
oklch(88.4% 0.061 50.6)
-
Step 300
300
#FAAC7D
oklch(80.9% 0.111 51.7)
-
Step 400
400 (this color)
#F37912
oklch(70.5% 0.178 51.6)
-
Step 500
500
#D36600
oklch(63% 0.163 51.6)
-
Step 600
600
#B25500
oklch(55.5% 0.143 51.6)
-
Step 700
700
#974700
oklch(49.2% 0.127 51.6)
-
Step 800
800
#7C3900
oklch(42.6% 0.11 51.5)
-
Step 900
900
#682F00
oklch(37.6% 0.097 51.8)
-
Step 950
950
#401A00
oklch(27% 0.07 51.3)
#F37912 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) | #9D8A00 | 0.151 |
| Deuteranopia (no green cones) | #BAA60B | 0.138 |
| Tritanopia (no blue cones) | #FF5D68 | 0.104 |
| Achromatopsia (no color) | #9B9B9B | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F37912
#F37912
oklch(70.5% 0.178 51.6)
- #00AEE9
#00AEE9
oklch(70.5% 0.143 231.8)
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 #F37912, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Wheel #F77F00 ΔE 0.017
- Pumpkin Orange #FB7D07 ΔE 0.018
- Dusty Orange #F0833A ΔE 0.024
- Pumpkin #E17701 ΔE 0.034
- Coral #FF7F50 ΔE 0.047
- Pinkish Orange #FF724C ΔE 0.050
- Dark Orange #FF8C00 ΔE 0.050
- Dull Orange #D8863B ΔE 0.050
Use #F37912 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.