#B18223
Closest named color: Mustard Brown (#AC7E04). oklch(63.7% 0.12 80.1), rgb(177, 130, 35).
Aa
Black text reads best on this color (6.08:1).
About this color
#B18223 is a medium-light, moderately saturated orange. In OKLCH its lightness is 64%, its chroma 0.120 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.017 away. Black text reads best on it, at 6.08:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 6.08:1 |
| White text | 3.45:1 |
Values
| HEX | #B18223 |
| RGB | rgb(177, 130, 35) |
| HSL | hsl(40, 67%, 42%) |
| OKLCH | oklch(63.7% 0.12 80.1) |
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 #B18223 | 3.45:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #B18223 | 6.08:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #B18223 text on white | 3.45:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #B18223 text on black | 6.08:1 | AA | Lc -39.9 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E9DD
oklch(93.6% 0.018 81.3)
-
Step 200
200
#E5D7C2
oklch(88.5% 0.032 78.1)
-
Step 300
300
#D5BD96
oklch(80.9% 0.059 79.8)
-
Step 400
400
#BF9A5A
oklch(70.6% 0.093 80.1)
-
Step 500
500 (this color)
#B18223
oklch(63.7% 0.12 80.1)
-
Step 600
600
#966A00
oklch(55.5% 0.115 79.9)
-
Step 700
700
#7E5900
oklch(49% 0.101 80.5)
-
Step 800
800
#684800
oklch(42.6% 0.088 79.5)
-
Step 900
900
#573C00
oklch(37.7% 0.078 80.1)
-
Step 950
950
#332305
oklch(26.9% 0.05 79.5)
#B18223 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) | #958310 | 0.049 |
| Deuteranopia (no green cones) | #A08F27 | 0.042 |
| Tritanopia (no blue cones) | #C17470 | 0.106 |
| Achromatopsia (no color) | #8A8A8A | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B18223
#B18223
oklch(63.7% 0.12 80.1)
- #5F8BD4
#5F8BD4
oklch(63.7% 0.121 260.1)
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 #B18223, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.017
- Dark Goldenrod #B8860B ΔE 0.020
- Golden Brown #B27A01 ΔE 0.020
- Yellowy Brown #AE8B0C ΔE 0.029
- Dark Mustard #A88905 ΔE 0.029
- Bronze #A87900 ΔE 0.030
- Dark Tan #AF884A ΔE 0.031
- Coffee #A6814C ΔE 0.039
Use #B18223 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.