#F66D28
Closest named color: Bright Orange (#FF5B00). oklch(69.3% 0.185 43.5), rgb(246, 109, 40).
Aa
Black text reads best on this color (7.13:1).
About this color
#F66D28 is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.185 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Bright Orange (#FF5B00), ΔE 0.032 away. Black text reads best on it, at 7.13:1.
| Hue family | Oranges |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Bright Orange (#FF5B00) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #F66D28 |
| RGB | rgb(246, 109, 40) |
| HSL | hsl(20, 92%, 56%) |
| OKLCH | oklch(69.3% 0.185 43.5) |
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 #F66D28 | 2.94:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #F66D28 | 7.13:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #F66D28 text on white | 2.94:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #F66D28 text on black | 7.13:1 | AAA | Lc -46.7 | 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
#FFF2ED
oklch(97% 0.016 42.4)
-
Step 100
100
#FEE3D8
oklch(93.5% 0.033 43.5)
-
Step 200
200
#FFCCB7
oklch(88.4% 0.065 43.5)
-
Step 300
300
#FFA883
oklch(80.9% 0.115 43.7)
-
Step 400
400 (this color)
#F66D28
oklch(69.3% 0.185 43.5)
-
Step 500
500
#E05900
oklch(63.1% 0.185 43.6)
-
Step 600
600
#BD4A00
oklch(55.6% 0.163 43.7)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900
#6F2800
oklch(37.7% 0.111 43.6)
-
Step 950
950
#441600
oklch(27% 0.078 44.2)
#F66D28 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) | #94831C | 0.175 |
| Deuteranopia (no green cones) | #B6A222 | 0.158 |
| Tritanopia (no blue cones) | #FF4C60 | 0.091 |
| Achromatopsia (no color) | #969696 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F66D28
#F66D28
oklch(69.3% 0.185 43.5)
- #00ADD7
#00ADD7
oklch(69.4% 0.13 223.3)
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 #F66D28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Orange #FF5B00 ΔE 0.032
- Pinkish Orange #FF724C ΔE 0.034
- Orange Pant #FB5607 ΔE 0.039
- Tomato #FF6347 ΔE 0.039
- Orange Pink #FF6F52 ΔE 0.039
- Pumpkin Orange #FB7D07 ΔE 0.040
- Burnt Sienna #E76F51 ΔE 0.041
- Melon #FF7855 ΔE 0.043
Use #F66D28 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.