#B37F4E
Closest named color: Light Brown (#AD8150). oklch(63.8% 0.092 63.2), rgb(179, 127, 78).
Aa
Black text reads best on this color (6.06:1).
About this color
#B37F4E is a medium-light, moderately saturated orange. In OKLCH its lightness is 64%, its chroma 0.092 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Light Brown (#AD8150), ΔE 0.011 away. Black text reads best on it, at 6.06:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Light Brown (#AD8150) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #B37F4E |
| RGB | rgb(179, 127, 78) |
| HSL | hsl(29, 40%, 50%) |
| OKLCH | oklch(63.8% 0.092 63.2) |
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 #B37F4E | 3.46:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #B37F4E | 6.06:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #B37F4E text on white | 3.46:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #B37F4E text on black | 6.06:1 | AA | Lc -39.6 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E1
oklch(93.5% 0.013 63.9)
-
Step 200
200
#E5D6C9
oklch(88.5% 0.024 63.5)
-
Step 300
300
#D6BBA3
oklch(80.9% 0.045 63.8)
-
Step 400
400
#C19772
oklch(70.7% 0.072 62.6)
-
Step 500
500 (this color)
#B37F4E
oklch(63.8% 0.092 63.2)
-
Step 600
600
#9C652E
oklch(55.6% 0.1 63)
-
Step 700
700
#855421
oklch(49.1% 0.092 63.4)
-
Step 800
800
#6C451D
oklch(42.7% 0.076 63.7)
-
Step 900
900
#583A1D
oklch(37.7% 0.06 63.2)
-
Step 950
950
#342212
oklch(27% 0.038 61.7)
#B37F4E 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) | #8F834A | 0.060 |
| Deuteranopia (no green cones) | #9C8F4F | 0.054 |
| Tritanopia (no blue cones) | #C17473 | 0.069 |
| Achromatopsia (no color) | #8A8A8A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37F4E
#B37F4E
oklch(63.8% 0.092 63.2)
- #5792BF
#5792BF
oklch(63.8% 0.092 242.9)
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 #B37F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Brown #AD8150 ΔE 0.011
- Tan Brown #AB7E4C ΔE 0.014
- Coffee #A6814C ΔE 0.023
- Puce #A57E52 ΔE 0.024
- Dark Tan #AF884A ΔE 0.026
- Clay Brown #B2713D ΔE 0.035
- Leather #AC7434 ΔE 0.037
- Dark Sand #A88F59 ΔE 0.042
Use #B37F4E 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.