#F59B19
Closest named color: Gamboge (#EE9B00). oklch(76.4% 0.163 67.6), rgb(245, 155, 25).
Aa
Black text reads best on this color (9.58:1).
About this color
#F59B19 is a medium-light, vivid orange. In OKLCH its lightness is 76%, its chroma 0.163 and its hue 68°. 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 9.58:1.
| Hue family | Oranges |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.58:1 |
| White text | 2.19:1 |
Values
| HEX | #F59B19 |
| RGB | rgb(245, 155, 25) |
| HSL | hsl(35, 92%, 53%) |
| OKLCH | oklch(76.4% 0.163 67.6) |
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 #F59B19 | 2.19:1 | Fails | Lc -47.4 | Large or bold text, headings |
| Black text on #F59B19 | 9.58:1 | AAA | Lc 61.2 | Content text, not long reading |
| #F59B19 text on white | 2.19:1 | Fails | Lc 42.7 | Non-text elements, placeholder text |
| #F59B19 text on black | 9.58:1 | AAA | Lc -59.5 | 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
#FFF3E8
oklch(97.1% 0.02 65.1)
-
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)
#F59B19
oklch(76.4% 0.163 67.6)
-
Step 400
400
#DF8B00
oklch(70.8% 0.155 67.9)
-
Step 500
500
#C07600
oklch(63.1% 0.139 67.3)
-
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
#5E3700
oklch(37.6% 0.083 67)
-
Step 950
950
#392000
oklch(27% 0.059 68.3)
#F59B19 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) | #B8A200 | 0.102 |
| Deuteranopia (no green cones) | #CEB81E | 0.091 |
| Tritanopia (no blue cones) | #FF8585 | 0.124 |
| Achromatopsia (no color) | #AFAFAF | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F59B19
#F59B19
oklch(76.4% 0.163 67.6)
- #6BB9FF
#6BB9FF
oklch(76.4% 0.127 247.4)
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 #F59B19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.014
- Tangerine #FF9408 ΔE 0.021
- Orange #FFA500 ΔE 0.031
- Mango #FFA62B ΔE 0.032
- Dark Orange #FF8C00 ΔE 0.035
- Squash #F2AB15 ΔE 0.039
- Faded Orange #F0944D ΔE 0.041
- Light Orange #FDAA48 ΔE 0.042
Use #F59B19 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.