#B0903F
Closest named color: Dark Tan (#AF884A). oklch(66.7% 0.106 87.5), rgb(176, 144, 63).
Aa
Black text reads best on this color (6.90:1).
About this color
#B0903F is a medium-light, moderately saturated orange. In OKLCH its lightness is 67%, its chroma 0.106 and its hue 88°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Tan (#AF884A), ΔE 0.027 away. Black text reads best on it, at 6.90:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Dark Tan (#AF884A) |
| Black text | 6.90:1 |
| White text | 3.04:1 |
Values
| HEX | #B0903F |
| RGB | rgb(176, 144, 63) |
| HSL | hsl(43, 47%, 47%) |
| OKLCH | oklch(66.7% 0.106 87.5) |
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 #B0903F | 3.04:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #B0903F | 6.90:1 | AA | Lc 47.0 | Large or bold text, headings |
| #B0903F text on white | 3.04:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #B0903F text on black | 6.90:1 | AA | Lc -44.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEE9DF
oklch(93.5% 0.014 84.6)
-
Step 200
200
#E1D8C4
oklch(88.4% 0.029 86.6)
-
Step 300
300
#CFBF9B
oklch(80.9% 0.052 86.9)
-
Step 400
400
#B79E62
oklch(70.8% 0.084 87.6)
-
Step 500
500 (this color)
#B0903F
oklch(66.7% 0.106 87.5)
-
Step 600
600
#8F6E00
oklch(55.5% 0.114 87.7)
-
Step 700
700
#795C00
oklch(49.1% 0.1 87.1)
-
Step 800
800
#634B00
oklch(42.6% 0.087 87.5)
-
Step 900
900
#513F0D
oklch(37.7% 0.069 87.9)
-
Step 950
950
#30250A
oklch(27.1% 0.044 86.7)
#B0903F 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) | #A08F36 | 0.028 |
| Deuteranopia (no green cones) | #A79742 | 0.022 |
| Tritanopia (no blue cones) | #BE857E | 0.095 |
| Achromatopsia (no color) | #949494 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0903F
#B0903F
oklch(66.7% 0.106 87.5)
- #7892D6
#7892D6
oklch(66.8% 0.106 267.5)
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 #B0903F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Tan #AF884A ΔE 0.027
- Dark Sand #A88F59 ΔE 0.029
- Yellowy Brown #AE8B0C ΔE 0.029
- Dark Goldenrod #B8860B ΔE 0.032
- Dark Gold #B59410 ΔE 0.032
- Ochre #BF9005 ΔE 0.035
- Dark Beige #AC9362 ΔE 0.035
- Yellow Brown #B79400 ΔE 0.036
Use #B0903F 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.