#F66015
Closest named color: Bright Orange (#FF5B00). oklch(67.5% 0.199 41.4), rgb(246, 96, 21).
Aa
Black text reads best on this color (6.60:1).
About this color
#F66015 is a medium-light, vivid orange. In OKLCH its lightness is 67%, its chroma 0.199 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Bright Orange (#FF5B00), ΔE 0.017 away. Black text reads best on it, at 6.60:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Bright Orange (#FF5B00) |
| Black text | 6.60:1 |
| White text | 3.18:1 |
Values
| HEX | #F66015 |
| RGB | rgb(246, 96, 21) |
| HSL | hsl(20, 93%, 52%) |
| OKLCH | oklch(67.5% 0.199 41.4) |
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 #F66015 | 3.18:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #F66015 | 6.60:1 | AA | Lc 46.1 | Large or bold text, headings |
| #F66015 text on white | 3.18:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #F66015 text on black | 6.60:1 | AA | Lc -43.8 | 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)
#F66015
oklch(67.5% 0.199 41.4)
-
Step 500
500
#E45400
oklch(63.1% 0.193 41.4)
-
Step 600
600
#C04600
oklch(55.6% 0.169 41.6)
-
Step 700
700
#A33A00
oklch(49.2% 0.15 41.5)
-
Step 800
800
#862E00
oklch(42.6% 0.13 41.4)
-
Step 900
900
#712500
oklch(37.6% 0.115 41.2)
-
Step 950
950
#461400
oklch(27.1% 0.083 41.4)
#F66015 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) | #8C7B00 | 0.194 |
| Deuteranopia (no green cones) | #B19D05 | 0.175 |
| Tritanopia (no blue cones) | #FF3753 | 0.090 |
| Achromatopsia (no color) | #909090 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F66015
#F66015
oklch(67.5% 0.199 41.4)
- #00A7CD
#00A7CD
oklch(67.5% 0.124 221.7)
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 #F66015, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Orange #FF5B00 ΔE 0.017
- Orange Pant #FB5607 ΔE 0.017
- Blood Orange #FE4B03 ΔE 0.033
- Tomato #FF6347 ΔE 0.038
- Orange Red #FF4500 ΔE 0.041
- Orangered #FE420F ΔE 0.046
- Burnt Sienna #E76F51 ΔE 0.047
- Pinkish Orange #FF724C ΔE 0.048
Use #F66015 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.