#FF901A
Closest named color: Dark Orange (#FF8C00). oklch(75.8% 0.174 58.7), rgb(255, 144, 26).
Aa
Black text reads best on this color (9.25:1).
About this color
#FF901A is a medium-light, vivid orange. In OKLCH its lightness is 76%, its chroma 0.174 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Orange (#FF8C00), ΔE 0.009 away. Black text reads best on it, at 9.25:1.
| Hue family | Oranges |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Dark Orange (#FF8C00) |
| Black text | 9.25:1 |
| White text | 2.26:1 |
Values
| HEX | #FF901A |
| RGB | rgb(255, 144, 26) |
| HSL | hsl(31, 100%, 55%) |
| OKLCH | oklch(75.8% 0.174 58.7) |
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 #FF901A | 2.26:1 | Fails | Lc -49.0 | Large or bold text, headings |
| Black text on #FF901A | 9.25:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #FF901A text on white | 2.26:1 | Fails | Lc 44.2 | Non-text elements, placeholder text |
| #FF901A text on black | 9.25:1 | AAA | Lc -57.9 | 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
#FDF3EC
oklch(97% 0.014 57.6)
-
Step 100
100
#FBE5D6
oklch(93.6% 0.031 56.6)
-
Step 200
200
#F8D0B2
oklch(88.4% 0.06 58.7)
-
Step 300
300
#F5AF78
oklch(80.8% 0.109 58.6)
-
Step 400
400 (this color)
#FF901A
oklch(75.8% 0.174 58.7)
-
Step 500
500
#CA6E00
oklch(63% 0.15 58.5)
-
Step 600
600
#AA5C00
oklch(55.5% 0.132 58.7)
-
Step 700
700
#904D00
oklch(49.1% 0.117 58.7)
-
Step 800
800
#773E00
oklch(42.7% 0.102 58.2)
-
Step 900
900
#633300
oklch(37.6% 0.089 58.6)
-
Step 950
950
#3D1D00
oklch(27% 0.064 58.4)
#FF901A 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) | #B29D00 | 0.132 |
| Deuteranopia (no green cones) | #CCB61A | 0.119 |
| Tritanopia (no blue cones) | #FF767C | 0.118 |
| Achromatopsia (no color) | #ACACAC | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF901A
#FF901A
oklch(75.8% 0.174 58.7)
- #49BBFF
#49BBFF
oklch(75.6% 0.141 239)
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 #FF901A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orange #FF8C00 ΔE 0.009
- Tangerine #FF9408 ΔE 0.011
- Pastel Orange #FF964F ΔE 0.031
- Faded Orange #F0944D ΔE 0.035
- Gamboge #EE9B00 ΔE 0.039
- Orange Wheel #F77F00 ΔE 0.041
- Pumpkin Orange #FB7D07 ΔE 0.042
- Dusty Orange #F0833A ΔE 0.047
Use #FF901A 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.