#B5903B
Closest named color: Ochre (#BF9005). oklch(67.2% 0.111 85.2), rgb(181, 144, 59).
Aa
Black text reads best on this color (7.01:1).
About this color
#B5903B is a medium-light, moderately saturated orange. In OKLCH its lightness is 67%, its chroma 0.111 and its hue 85°. Its hue sits on the warm side of the wheel. The nearest named color is Ochre (#BF9005), ΔE 0.028 away. Black text reads best on it, at 7.01:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Ochre (#BF9005) |
| Black text | 7.01:1 |
| White text | 2.99:1 |
Values
| HEX | #B5903B |
| RGB | rgb(181, 144, 59) |
| HSL | hsl(42, 51%, 47%) |
| OKLCH | oklch(67.2% 0.111 85.2) |
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 #B5903B | 2.99:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #B5903B | 7.01:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #B5903B text on white | 2.99:1 | Fails | Lc 56.5 | Large or bold text, headings |
| #B5903B text on black | 7.01:1 | AAA | Lc -45.3 | 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 400.
-
Step 50
50
#F8F5EF
oklch(97.1% 0.009 84.6)
-
Step 100
100
#F0E9DB
oklch(93.6% 0.02 84.6)
-
Step 200
200
#E5D8BD
oklch(88.6% 0.039 85.3)
-
Step 300
300
#D5BE8D
oklch(80.9% 0.07 85.7)
-
Step 400
400 (this color)
#B5903B
oklch(67.2% 0.111 85.2)
-
Step 500
500
#AD8200
oklch(63.1% 0.129 85.1)
-
Step 600
600
#926D00
oklch(55.7% 0.114 85)
-
Step 700
700
#7B5B00
oklch(49.1% 0.101 84.7)
-
Step 800
800
#654A00
oklch(42.7% 0.087 84.5)
-
Step 900
900
#543E00
oklch(37.8% 0.077 85.9)
-
Step 950
950
#332400
oklch(27.1% 0.056 85)
#B5903B 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) | #A18F31 | 0.035 |
| Deuteranopia (no green cones) | #AA993E | 0.028 |
| Tritanopia (no blue cones) | #C4847E | 0.099 |
| Achromatopsia (no color) | #959595 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5903B
#B5903B
oklch(67.2% 0.111 85.2)
- #7494DB
#7494DB
oklch(67.2% 0.112 265)
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 #B5903B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ochre #BF9005 ΔE 0.028
- Dark Gold #B59410 ΔE 0.029
- Dark Goldenrod #B8860B ΔE 0.030
- Yellowy Brown #AE8B0C ΔE 0.030
- Dark Tan #AF884A ΔE 0.031
- Yellow Brown #B79400 ΔE 0.032
- Dark Sand #A88F59 ΔE 0.035
- Brown Yellow #B29705 ΔE 0.038
Use #B5903B 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.