#F18037
Closest named color: Dusty Orange (#F0833A). oklch(71.5% 0.162 49.9), rgb(241, 128, 55).
Aa
Black text reads best on this color (7.88:1).
About this color
#F18037 is a medium-light, vivid orange. In OKLCH its lightness is 72%, its chroma 0.162 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.006 away. Black text reads best on it, at 7.88:1.
| Hue family | Oranges |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #F18037 |
| RGB | rgb(241, 128, 55) |
| HSL | hsl(24, 87%, 58%) |
| OKLCH | oklch(71.5% 0.162 49.9) |
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 #F18037 | 2.66:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #F18037 | 7.88:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #F18037 text on white | 2.66:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #F18037 text on black | 7.88:1 | AAA | Lc -50.6 | 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
#FEF3EE
oklch(97.1% 0.014 46.2)
-
Step 100
100
#FBE5D9
oklch(93.6% 0.029 50.6)
-
Step 200
200
#F9CFB9
oklch(88.5% 0.056 49.2)
-
Step 300
300
#F6AD85
oklch(80.8% 0.101 49.6)
-
Step 400
400 (this color)
#F18037
oklch(71.5% 0.162 49.9)
-
Step 500
500
#D66400
oklch(63.2% 0.167 50)
-
Step 600
600
#B45300
oklch(55.5% 0.147 50)
-
Step 700
700
#984500
oklch(49% 0.13 50)
-
Step 800
800
#7E3800
oklch(42.8% 0.113 50)
-
Step 900
900
#6A2E00
oklch(37.8% 0.1 50)
-
Step 950
950
#411900
oklch(27% 0.072 49.3)
#F18037 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) | #A08F2D | 0.141 |
| Deuteranopia (no green cones) | #BCA835 | 0.126 |
| Tritanopia (no blue cones) | #FF6871 | 0.093 |
| Achromatopsia (no color) | #9E9E9E | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F18037
#F18037
oklch(71.5% 0.162 49.9)
- #00B2EA
#00B2EA
oklch(71.5% 0.142 229.8)
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 #F18037, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.006
- Orange Wheel #F77F00 ΔE 0.022
- Pumpkin Orange #FB7D07 ΔE 0.024
- Coral #FF7F50 ΔE 0.035
- Pumpkin #E17701 ΔE 0.043
- Faded Orange #F0944D ΔE 0.043
- Dull Orange #D8863B ΔE 0.044
- Melon #FF7855 ΔE 0.044
Use #F18037 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.