#F39F19
Closest named color: Gamboge (#EE9B00). oklch(76.8% 0.161 70.6), rgb(243, 159, 25).
Aa
Black text reads best on this color (9.78:1).
About this color
#F39F19 is a medium-light, vivid orange. In OKLCH its lightness is 77%, its chroma 0.161 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.014 away. Black text reads best on it, at 9.78:1.
| Hue family | Oranges |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.78:1 |
| White text | 2.14:1 |
Values
| HEX | #F39F19 |
| RGB | rgb(243, 159, 25) |
| HSL | hsl(37, 90%, 53%) |
| OKLCH | oklch(76.8% 0.161 70.6) |
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 #F39F19 | 2.14:1 | Fails | Lc -46.4 | Large or bold text, headings |
| Black text on #F39F19 | 9.78:1 | AAA | Lc 62.2 | Content text, not long reading |
| #F39F19 text on white | 2.14:1 | Fails | Lc 41.8 | Non-text elements, placeholder text |
| #F39F19 text on black | 9.78:1 | AAA | Lc -60.4 | Content text, not long reading |
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
#FEE5C9
oklch(93.5% 0.046 70.4)
-
Step 200
200
#FFD098
oklch(88.6% 0.089 71.2)
-
Step 300
300 (this color)
#F39F19
oklch(76.8% 0.161 70.6)
-
Step 400
400
#DB8D00
oklch(70.7% 0.152 70.6)
-
Step 500
500
#BC7900
oklch(63.1% 0.136 71.1)
-
Step 600
600
#9F6500
oklch(55.7% 0.12 70.6)
-
Step 700
700
#865400
oklch(49.1% 0.106 70.2)
-
Step 800
800
#6E4500
oklch(42.8% 0.092 71.2)
-
Step 900
900
#5C3900
oklch(37.7% 0.081 71.3)
-
Step 950
950
#382100
oklch(27.1% 0.058 71.5)
#F39F19 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) | #BBA500 | 0.093 |
| Deuteranopia (no green cones) | #CFB91F | 0.082 |
| Tritanopia (no blue cones) | #FF8A88 | 0.126 |
| Achromatopsia (no color) | #B1B1B1 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F39F19
#F39F19
oklch(76.8% 0.161 70.6)
- #75B9FF
#75B9FF
oklch(76.9% 0.123 250.3)
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 #F39F19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.014
- Orange #FFA500 ΔE 0.026
- Mango #FFA62B ΔE 0.028
- Squash #F2AB15 ΔE 0.029
- Tangerine #FF9408 ΔE 0.030
- Light Orange #FDAA48 ΔE 0.038
- Orange Yellow #FFAD01 ΔE 0.042
- Goldenrod #DAA520 ΔE 0.042
Use #F39F19 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.