#F55D0F
Closest named color: Orange Pant (#FB5607). oklch(67% 0.201 41.1), rgb(245, 93, 15).
Aa
Black text reads best on this color (6.45:1).
About this color
#F55D0F is a medium-light, vivid orange. In OKLCH its lightness is 67%, its chroma 0.201 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.014 away. Black text reads best on it, at 6.45:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #F55D0F |
| RGB | rgb(245, 93, 15) |
| HSL | hsl(20, 92%, 51%) |
| OKLCH | oklch(67% 0.201 41.1) |
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 #F55D0F | 3.25:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #F55D0F | 6.45:1 | AA | Lc 45.3 | Large or bold text, headings |
| #F55D0F text on white | 3.25:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #F55D0F text on black | 6.45:1 | AA | Lc -43.0 | Non-text elements, placeholder text |
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
#FFF2EE
oklch(97% 0.015 37.9)
-
Step 100
100
#FFE3D9
oklch(93.6% 0.034 40.7)
-
Step 200
200
#FFCCB9
oklch(88.5% 0.064 41.4)
-
Step 300
300
#FFA887
oklch(81% 0.113 41.5)
-
Step 400
400 (this color)
#F55D0F
oklch(67% 0.201 41.1)
-
Step 500
500
#E45300
oklch(63% 0.194 41.1)
-
Step 600
600
#C14500
oklch(55.6% 0.171 41.1)
-
Step 700
700
#A33900
oklch(49.1% 0.151 41.1)
-
Step 800
800
#872E00
oklch(42.8% 0.131 41.2)
-
Step 900
900
#712500
oklch(37.6% 0.115 41.2)
-
Step 950
950
#461400
oklch(27.1% 0.083 41.4)
#F55D0F 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) | #8A7900 | 0.196 |
| Deuteranopia (no green cones) | #AF9B00 | 0.177 |
| Tritanopia (no blue cones) | #FF3151 | 0.091 |
| Achromatopsia (no color) | #8F8F8F | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F55D0F
#F55D0F
oklch(67% 0.201 41.1)
- #00A5CA
#00A5CA
oklch(66.9% 0.123 221.4)
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 #F55D0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.014
- Bright Orange #FF5B00 ΔE 0.018
- Blood Orange #FE4B03 ΔE 0.029
- Orange Red #FF4500 ΔE 0.037
- Tomato #FF6347 ΔE 0.041
- Orangered #FE420F ΔE 0.041
- Orangey Red #FA4224 ΔE 0.046
- Red Orange #FD3C06 ΔE 0.048
Use #F55D0F 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.