#FF900A
Closest named color: Dark Orange (#FF8C00). oklch(75.7% 0.176 59.7), rgb(255, 144, 10).
Aa
Black text reads best on this color (9.24:1).
About this color
#FF900A is a medium-light, vivid orange. In OKLCH its lightness is 76%, its chroma 0.176 and its hue 60°. 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 9.24:1.
| Hue family | Oranges |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Dark Orange (#FF8C00) |
| Black text | 9.24:1 |
| White text | 2.27:1 |
Values
| HEX | #FF900A |
| RGB | rgb(255, 144, 10) |
| HSL | hsl(33, 100%, 52%) |
| OKLCH | oklch(75.7% 0.176 59.7) |
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 #FF900A | 2.27:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #FF900A | 9.24:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #FF900A text on white | 2.27:1 | Fails | Lc 44.2 | Non-text elements, placeholder text |
| #FF900A text on black | 9.24:1 | 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
#FBE5D5
oklch(93.5% 0.032 58.4)
-
Step 200
200
#F8D0B1
oklch(88.4% 0.061 59.7)
-
Step 300
300
#F5AF76
oklch(80.8% 0.11 59.5)
-
Step 400
400 (this color)
#FF900A
oklch(75.7% 0.176 59.7)
-
Step 500
500
#C96F00
oklch(63.1% 0.149 59.4)
-
Step 600
600
#A95D00
oklch(55.5% 0.13 59.8)
-
Step 700
700
#8F4E00
oklch(49.2% 0.115 60)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#633400
oklch(37.8% 0.089 59.7)
-
Step 950
950
#3C1D00
oklch(26.9% 0.063 59.4)
#FF900A 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) | #B29C00 | 0.130 |
| Deuteranopia (no green cones) | #CCB60A | 0.119 |
| Tritanopia (no blue cones) | #FF767B | 0.121 |
| Achromatopsia (no color) | #ACACAC | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF900A
#FF900A
oklch(75.7% 0.176 59.7)
- #4DBBFF
#4DBBFF
oklch(75.8% 0.139 239.6)
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 #FF900A, 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 0.009
- Pastel Orange #FF964F ΔE 0.035
- Gamboge #EE9B00 ΔE 0.037
- Faded Orange #F0944D ΔE 0.038
- Orange Wheel #F77F00 ΔE 0.041
- Pumpkin Orange #FB7D07 ΔE 0.043
- Mango #FFA62B ΔE 0.048
Use #FF900A 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.