#B18315
Closest named color: Dark Goldenrod (#B8860B). oklch(63.8% 0.126 82.5), rgb(177, 131, 21).
Aa
Black text reads best on this color (6.12:1).
About this color
#B18315 is a medium-light, moderately saturated orange. In OKLCH its lightness is 64%, its chroma 0.126 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Goldenrod (#B8860B), ΔE 0.015 away. Black text reads best on it, at 6.12:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Dark Goldenrod (#B8860B) |
| Black text | 6.12:1 |
| White text | 3.42:1 |
Values
| HEX | #B18315 |
| RGB | rgb(177, 131, 21) |
| HSL | hsl(42, 79%, 39%) |
| OKLCH | oklch(63.8% 0.126 82.5) |
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 #B18315 | 3.42:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #B18315 | 6.12:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #B18315 text on white | 3.42:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #B18315 text on black | 6.12:1 | AA | Lc -40.1 | 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
#F8F5EF
oklch(97.1% 0.009 84.6)
-
Step 100
100
#F0E9DD
oklch(93.6% 0.018 81.3)
-
Step 200
200
#E4D8C0
oklch(88.6% 0.035 84.6)
-
Step 300
300
#D4BD94
oklch(80.8% 0.061 81.9)
-
Step 400
400
#BF9B55
oklch(70.8% 0.099 82.6)
-
Step 500
500 (this color)
#B18315
oklch(63.8% 0.126 82.5)
-
Step 600
600
#946C00
oklch(55.7% 0.115 82.9)
-
Step 700
700
#7D5A00
oklch(49.1% 0.101 82.2)
-
Step 800
800
#664900
oklch(42.6% 0.088 82.4)
-
Step 900
900
#563D00
oklch(37.8% 0.078 82.4)
-
Step 950
950
#332403
oklch(27.1% 0.052 83.2)
#B18315 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) | #968400 | 0.047 |
| Deuteranopia (no green cones) | #A18F1C | 0.039 |
| Tritanopia (no blue cones) | #C17570 | 0.112 |
| Achromatopsia (no color) | #8B8B8B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B18315
#B18315
oklch(63.8% 0.126 82.5)
- #618AD8
#618AD8
oklch(63.8% 0.126 262.3)
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 #B18315, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Goldenrod #B8860B ΔE 0.015
- Mustard Brown #AC7E04 ΔE 0.016
- Golden Brown #B27A01 ΔE 0.022
- Yellowy Brown #AE8B0C ΔE 0.022
- Dark Mustard #A88905 ΔE 0.023
- Bronze #A87900 ΔE 0.031
- Dark Tan #AF884A ΔE 0.037
- Ochre #BF9005 ΔE 0.044
Use #B18315 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.