#F39A18
Closest named color: Gamboge (#EE9B00). oklch(75.9% 0.162 67.9), rgb(243, 154, 24).
Aa
Black text reads best on this color (9.44:1).
About this color
#F39A18 is a medium-light, vivid orange. In OKLCH its lightness is 76%, its chroma 0.162 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.011 away. Black text reads best on it, at 9.44:1.
| Hue family | Oranges |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.44:1 |
| White text | 2.22:1 |
Values
| HEX | #F39A18 |
| RGB | rgb(243, 154, 24) |
| HSL | hsl(36, 90%, 52%) |
| OKLCH | oklch(75.9% 0.162 67.9) |
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 #F39A18 | 2.22:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #F39A18 | 9.44:1 | AAA | Lc 60.6 | Content text, not long reading |
| #F39A18 text on white | 2.22:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #F39A18 text on black | 9.44:1 | AAA | Lc -58.8 | 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 300.
-
Step 50
50
#FFF3E7
oklch(97% 0.021 67.6)
-
Step 100
100
#FFE5CA
oklch(93.6% 0.046 68.3)
-
Step 200
200
#FFCF9D
oklch(88.5% 0.084 67.5)
-
Step 300
300 (this color)
#F39A18
oklch(75.9% 0.162 67.9)
-
Step 400
400
#DF8B00
oklch(70.8% 0.155 67.9)
-
Step 500
500
#BF7600
oklch(63% 0.138 67.7)
-
Step 600
600
#A16300
oklch(55.5% 0.122 67.9)
-
Step 700
700
#885300
oklch(49.1% 0.108 68.1)
-
Step 800
800
#704300
oklch(42.6% 0.094 67.6)
-
Step 900
900
#5E3800
oklch(37.8% 0.083 68.3)
-
Step 950
950
#392000
oklch(27% 0.059 68.3)
#F39A18 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) | #B7A100 | 0.100 |
| Deuteranopia (no green cones) | #CCB61D | 0.089 |
| Tritanopia (no blue cones) | #FF8484 | 0.124 |
| Achromatopsia (no color) | #AEAEAE | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F39A18
#F39A18
oklch(75.9% 0.162 67.9)
- #69B7FF
#69B7FF
oklch(75.9% 0.13 248.1)
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 #F39A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.011
- Tangerine #FF9408 ΔE 0.022
- Dark Orange #FF8C00 ΔE 0.034
- Orange #FFA500 ΔE 0.035
- Mango #FFA62B ΔE 0.036
- Faded Orange #F0944D ΔE 0.039
- Squash #F2AB15 ΔE 0.041
- Pastel Orange #FF964F ΔE 0.045
Use #F39A18 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.