#B15100
Closest named color: Cinnamon (#AC4F06). oklch(54.7% 0.145 49.7), rgb(177, 81, 0).
Aa
White text reads best on this color (5.18:1).
About this color
#B15100 is a medium-dark, vivid orange. In OKLCH its lightness is 55%, its chroma 0.145 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.011 away. White text reads best on it, at 5.18:1.
| Hue family | Oranges |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #B15100 |
| RGB | rgb(177, 81, 0) |
| HSL | hsl(27, 100%, 35%) |
| OKLCH | oklch(54.7% 0.145 49.7) |
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 #B15100 | 5.18:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #B15100 | 4.04:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #B15100 text on white | 5.18:1 | AA | Lc 75.0 | Fine for body text |
| #B15100 text on black | 4.04:1 | AA large text | Lc -26.7 | Dividers and decoration only |
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 600.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EED3C4
oklch(88.5% 0.037 51)
-
Step 300
300
#E4B59B
oklch(80.9% 0.065 50.4)
-
Step 400
400
#D58D64
oklch(70.7% 0.104 50.1)
-
Step 500
500
#C86E37
oklch(63.1% 0.133 49.7)
-
Step 600
600 (this color)
#B15100
oklch(54.7% 0.145 49.7)
-
Step 700
700
#994500
oklch(49.2% 0.131 49.6)
-
Step 800
800
#7D3802
oklch(42.6% 0.112 49.9)
-
Step 900
900
#65310F
oklch(37.6% 0.087 49.8)
-
Step 950
950
#3C1D0B
oklch(27% 0.056 48.8)
#B15100 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) | #6D5F00 | 0.128 |
| Deuteranopia (no green cones) | #847500 | 0.116 |
| Tritanopia (no blue cones) | #C33A45 | 0.085 |
| Achromatopsia (no color) | #6D6D6D | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B15100
#B15100
oklch(54.7% 0.145 49.7)
- #007CA3
#007CA3
oklch(54.8% 0.108 229)
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 #B15100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.011
- Burnt Siena #B75203 ΔE 0.012
- Burnt Orange #C04E01 ΔE 0.029
- Raw Umber #A75E09 ΔE 0.032
- Brick Orange #C14A09 ΔE 0.033
- Orangey Brown #B16002 ΔE 0.034
- Sienna #A0522D ΔE 0.038
- Rust Orange #C45508 ΔE 0.039
Use #B15100 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.