#F5811F
Closest named color: Orange Wheel (#F77F00). oklch(72.1% 0.172 53.6), rgb(245, 129, 31).
Aa
Black text reads best on this color (8.04:1).
About this color
#F5811F is a medium-light, vivid orange. In OKLCH its lightness is 72%, its chroma 0.172 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Wheel (#F77F00), ΔE 0.008 away. Black text reads best on it, at 8.04:1.
| Hue family | Oranges |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Orange Wheel (#F77F00) |
| Black text | 8.04:1 |
| White text | 2.61:1 |
Values
| HEX | #F5811F |
| RGB | rgb(245, 129, 31) |
| HSL | hsl(27, 91%, 54%) |
| OKLCH | oklch(72.1% 0.172 53.6) |
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 #F5811F | 2.61:1 | Fails | Lc -55.5 | Large or bold text, headings |
| Black text on #F5811F | 8.04:1 | AAA | Lc 53.6 | Large or bold text, headings |
| #F5811F text on white | 2.61:1 | Fails | Lc 50.4 | Large or bold text, headings |
| #F5811F text on black | 8.04:1 | AAA | Lc -51.5 | 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
#FBE5D7
oklch(93.6% 0.031 54.7)
-
Step 200
200
#FACFB5
oklch(88.5% 0.06 52.9)
-
Step 300
300
#F7AD7D
oklch(80.8% 0.108 53.6)
-
Step 400
400 (this color)
#F5811F
oklch(72.1% 0.172 53.6)
-
Step 500
500
#D16900
oklch(63.2% 0.159 53.6)
-
Step 600
600
#B05700
oklch(55.5% 0.14 53.4)
-
Step 700
700
#954900
oklch(49.2% 0.124 53.7)
-
Step 800
800
#7B3B00
oklch(42.8% 0.108 53.6)
-
Step 900
900
#673000
oklch(37.6% 0.095 53.2)
-
Step 950
950
#3F1B00
oklch(27% 0.068 53.5)
#F5811F 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) | #A39001 | 0.144 |
| Deuteranopia (no green cones) | #BFAA1C | 0.128 |
| Tritanopia (no blue cones) | #FF676F | 0.105 |
| Achromatopsia (no color) | #A0A0A0 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F5811F
#F5811F
oklch(72.1% 0.172 53.6)
- #00B3F3
#00B3F3
oklch(72.2% 0.15 233.2)
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 #F5811F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Wheel #F77F00 ΔE 0.008
- Pumpkin Orange #FB7D07 ΔE 0.012
- Dusty Orange #F0833A ΔE 0.016
- Dark Orange #FF8C00 ΔE 0.034
- Coral #FF7F50 ΔE 0.042
- Faded Orange #F0944D ΔE 0.043
- Pumpkin #E17701 ΔE 0.045
- Dull Orange #D8863B ΔE 0.050
Use #F5811F 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.