#F39B38
Closest named color: Gamboge (#EE9B00). oklch(76.3% 0.151 64.4), rgb(243, 155, 56).
Aa
Black text reads best on this color (9.55:1).
About this color
#F39B38 is a medium-light, vivid orange. In OKLCH its lightness is 76%, its chroma 0.151 and its hue 64°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.024 away. Black text reads best on it, at 9.55:1.
| Hue family | Oranges |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.55:1 |
| White text | 2.19:1 |
Values
| HEX | #F39B38 |
| RGB | rgb(243, 155, 56) |
| HSL | hsl(32, 89%, 59%) |
| OKLCH | oklch(76.3% 0.151 64.4) |
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 #F39B38 | 2.19:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #F39B38 | 9.55:1 | AAA | Lc 61.0 | Content text, not long reading |
| #F39B38 text on white | 2.19:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #F39B38 text on black | 9.55:1 | AAA | Lc -59.3 | 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
#FFF3E9
oklch(97.1% 0.019 62.5)
-
Step 100
100
#FFE5CD
oklch(93.7% 0.043 65)
-
Step 200
200
#FFCFA2
oklch(88.6% 0.08 64.7)
-
Step 300
300 (this color)
#F39B38
oklch(76.3% 0.151 64.4)
-
Step 400
400
#E38800
oklch(70.8% 0.159 64.8)
-
Step 500
500
#C37400
oklch(63.1% 0.142 64.7)
-
Step 600
600
#A56100
oklch(55.7% 0.126 64.5)
-
Step 700
700
#8B5100
oklch(49.2% 0.111 64.6)
-
Step 800
800
#724200
oklch(42.7% 0.096 65.1)
-
Step 900
900
#603600
oklch(37.7% 0.085 64.2)
-
Step 950
950
#3A1F00
oklch(27% 0.06 65.1)
#F39B38 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) | #B7A329 | 0.101 |
| Deuteranopia (no green cones) | #CCB73A | 0.089 |
| Tritanopia (no blue cones) | #FF8787 | 0.110 |
| Achromatopsia (no color) | #AFAFAF | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F39B38
#F39B38
oklch(76.3% 0.151 64.4)
- #62BAFF
#62BAFF
oklch(76.3% 0.131 244.4)
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 #F39B38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.024
- Tangerine #FF9408 ΔE 0.025
- Faded Orange #F0944D ΔE 0.028
- Pastel Orange #FF964F ΔE 0.033
- Sandy Brown #F4A460 ΔE 0.034
- Dark Orange #FF8C00 ΔE 0.036
- Mango #FFA62B ΔE 0.037
- Orange #FFA500 ΔE 0.040
Use #F39B38 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.