#B57F01
Closest named color: Golden Brown (#B27A01). oklch(63.5% 0.132 78.7), rgb(181, 127, 1).
Aa
Black text reads best on this color (6.00:1).
About this color
#B57F01 is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.132 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Golden Brown (#B27A01), ΔE 0.014 away. Black text reads best on it, at 6.00:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Golden Brown (#B27A01) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #B57F01 |
| RGB | rgb(181, 127, 1) |
| HSL | hsl(42, 99%, 36%) |
| OKLCH | oklch(63.5% 0.132 78.7) |
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 #B57F01 | 3.49:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #B57F01 | 6.00:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #B57F01 text on white | 3.49:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #B57F01 text on black | 6.00:1 | AA | Lc -39.4 | 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
#F9F5EF
oklch(97.2% 0.009 78.3)
-
Step 100
100
#F1E9DC
oklch(93.7% 0.019 80.1)
-
Step 200
200
#E6D7BF
oklch(88.5% 0.036 79.7)
-
Step 300
300
#D7BC92
oklch(80.8% 0.064 78.6)
-
Step 400
400
#C39951
oklch(70.7% 0.103 79.3)
-
Step 500
500 (this color)
#B57F01
oklch(63.5% 0.132 78.7)
-
Step 600
600
#976A00
oklch(55.7% 0.116 79.3)
-
Step 700
700
#805800
oklch(49.1% 0.102 78.1)
-
Step 800
800
#694800
oklch(42.7% 0.089 78.7)
-
Step 900
900
#583C00
oklch(37.8% 0.079 79.1)
-
Step 950
950
#352301
oklch(27.1% 0.055 79.2)
#B57F01 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) | #938100 | 0.057 |
| Deuteranopia (no green cones) | #A08E0D | 0.050 |
| Tritanopia (no blue cones) | #C6706C | 0.114 |
| Achromatopsia (no color) | #898989 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57F01
#B57F01
oklch(63.5% 0.132 78.7)
- #578AD9
#578AD9
oklch(63.4% 0.132 258.9)
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 #B57F01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Golden Brown #B27A01 ΔE 0.014
- Mustard Brown #AC7E04 ΔE 0.016
- Dark Goldenrod #B8860B ΔE 0.019
- Bronze #A87900 ΔE 0.029
- Yellowy Brown #AE8B0C ΔE 0.032
- Dark Mustard #A88905 ΔE 0.032
- Dark Tan #AF884A ΔE 0.042
- Caramel #AF6F09 ΔE 0.044
Use #B57F01 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.