#FF5F04
Closest named color: Bright Orange (#FF5B00). oklch(68.7% 0.209 41.2), rgb(255, 95, 4).
Aa
Black text reads best on this color (6.89:1).
About this color
#FF5F04 is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.209 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Bright Orange (#FF5B00), ΔE 0.007 away. Black text reads best on it, at 6.89:1.
| Hue family | Oranges |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.209) |
| Temperature | warm |
| Nearest name | Bright Orange (#FF5B00) |
| Black text | 6.89:1 |
| White text | 3.04:1 |
Values
| HEX | #FF5F04 |
| RGB | rgb(255, 95, 4) |
| HSL | hsl(22, 100%, 51%) |
| OKLCH | oklch(68.7% 0.209 41.2) |
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 #FF5F04 | 3.04:1 | AA large text | Lc -61.5 | Content text, not long reading |
| Black text on #FF5F04 | 6.89:1 | AA | Lc 47.9 | Large or bold text, headings |
| #FF5F04 text on white | 3.04:1 | AA large text | Lc 56.2 | Large or bold text, headings |
| #FF5F04 text on black | 6.89:1 | AA | Lc -45.6 | 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
#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)
#FF5F04
oklch(68.7% 0.209 41.2)
-
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)
#FF5F04 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) | #8E7D00 | 0.205 |
| Deuteranopia (no green cones) | #B6A100 | 0.184 |
| Tritanopia (no blue cones) | #FF2F52 | 0.098 |
| Achromatopsia (no color) | #949494 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF5F04
#FF5F04
oklch(68.7% 0.209 41.2)
- #00ABD1
#00ABD1
oklch(68.7% 0.126 221.2)
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 #FF5F04, closest first.
No curated palette has a color within ΔE 0.04 of #FF5F04.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Orange #FF5B00 ΔE 0.007
- Orange Pant #FB5607 ΔE 0.019
- Blood Orange #FE4B03 ΔE 0.033
- Tomato #FF6347 ΔE 0.035
- Orange Red #FF4500 ΔE 0.040
- Pinkish Orange #FF724C ΔE 0.044
- Orangered #FE420F ΔE 0.046
- Orange Pink #FF6F52 ΔE 0.047
Use #FF5F04 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.