#BB501B#BB501B
#BB501B is a mid, vivid orange. Relative luminance 0.164; OKLCH L 56.2% C 0.152 H 43.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #BB501B |
|---|---|
| RGB | rgb(187, 80, 27) |
| HSL | hsl(20, 75%, 42%) |
| HSV | hsv(20, 86%, 73%) |
| CMYK | cmyk(0%, 57.2%, 85.6%, 26.7%) |
| CIE-LAB | lab(47.48, 40.50, 49.31) |
| CIE-LCH | lch(47.48, 63.81, 50.61°) |
| OKLab | oklab(56.24% 0.1107 0.1036) |
| OKLCH | oklch(56.24% 0.152 43.1) |
| XYZ | xyz(23.5625, 16.3845, 2.9585) |
| Luminance | 0.1638 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Brick Orange
#C14A09
ΔE00 1.94
Burnt Orange
#C04E01
ΔE00 2.81
Burnt Sienna
#B04E0F
ΔE00 3.26
Dark Orange
#C65102
ΔE00 3.58
Rust
#B7410E
ΔE00 3.88
Rust Orange
#C45508
ΔE00 3.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB501B #1B86BB
analogous
#BB1B36 #BB501B #BBA01B
triadic
#BB501B #1BBB50 #501BBB
tetradic
#BB501B #36BB1B #1B86BB #A01BBB
square
#BB501B #36BB1B #1B86BB #A01BBB
split-complementary
#BB501B #1BBBA0 #1B36BB
monochromatic
#50220C #863913 #BB501B #E16C32 #E99267
Accessibility & contrast
On white
4.91
#BB501B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.28
#BB501B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB501B
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB501B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB501B | 1.00 | 4.91 | 4.28 | 4.91 |
| #FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F6211
Deuteranopia (green-blind)
#897A16
Tritanopia (blue-blind)
#CE3646
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #bb501b; /* rgb */ color: rgb(187, 80, 27); /* oklch */ color: oklch(56.2% 0.152 43.1);
Tailwind
colors: {
custom: {
50: '#d8845d',
500: '#bb501b',
950: '#000000',
},
}SCSS
$custom: #bb501b; $custom-light: #d8845d; $custom-dark: #000000;
JSON
{
"hex": "#bb501b",
"rgb": {
"r": 187,
"g": 80,
"b": 27
},
"hsl": {
"h": 19.875,
"s": 74.766,
"l": 41.961
},
"oklch": {
"l": 0.56241,
"c": 0.15163,
"h": 43.1
},
"luminance": 0.16381
}Semantic roles & 50–950 ramp
primary
#BB501B
secondary
#63ABCE
accent
#B3F136
background
#FEF8F5
surface
#FDEFE9
border
#D5CAC5
text
#160B04
muted
#847C79