#BB5600
Closest named color: Burnt Siena (#B75203). oklch(57% 0.151 49.7), rgb(187, 86, 0).
Aa
White text reads best on this color (4.72:1).
About this color
#BB5600 is a medium-dark, vivid orange. In OKLCH its lightness is 57%, its chroma 0.151 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.013 away. White text reads best on it, at 4.72:1.
| Hue family | Oranges |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #BB5600 |
| RGB | rgb(187, 86, 0) |
| HSL | hsl(28, 100%, 37%) |
| OKLCH | oklch(57% 0.151 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 #BB5600 | 4.72:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #BB5600 | 4.44:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #BB5600 text on white | 4.72:1 | AA | Lc 72.1 | Content text, not long reading |
| #BB5600 text on black | 4.44:1 | AA large text | Lc -29.6 | 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
#F6E6DE
oklch(93.6% 0.021 48.5)
-
Step 200
200
#EFD3C4
oklch(88.6% 0.037 50)
-
Step 300
300
#E6B49A
oklch(80.9% 0.068 48.8)
-
Step 400
400
#D78C61
oklch(70.7% 0.109 50.1)
-
Step 500
500
#CB6C31
oklch(63.1% 0.14 49.5)
-
Step 600
600 (this color)
#BB5600
oklch(57% 0.151 49.7)
-
Step 700
700
#994500
oklch(49.2% 0.131 49.6)
-
Step 800
800
#7E3800
oklch(42.8% 0.113 50)
-
Step 900
900
#67300C
oklch(37.7% 0.091 49)
-
Step 950
950
#3C1D09
oklch(27% 0.057 50.7)
#BB5600 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) | #746500 | 0.132 |
| Deuteranopia (no green cones) | #8C7C00 | 0.120 |
| Tritanopia (no blue cones) | #CE3E49 | 0.088 |
| Achromatopsia (no color) | #737373 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5600
#BB5600
oklch(57% 0.151 49.7)
- #0083AD
#0083AD
oklch(57.1% 0.113 229.7)
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 #BB5600, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.013
- Rust Orange #C45508 ΔE 0.018
- Burnt Orange #C04E01 ΔE 0.018
- Brick Orange #C14A09 ΔE 0.026
- Orangey Brown #B16002 ΔE 0.027
- Copper #B66325 ΔE 0.028
- Orange Brown #BE6400 ΔE 0.033
- Umber #B26400 ΔE 0.034
Use #BB5600 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.