#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
RGBrgb(187, 80, 27)
HSLhsl(20, 75%, 42%)
HSVhsv(20, 86%, 73%)
CMYKcmyk(0%, 57.2%, 85.6%, 26.7%)
CIE-LABlab(47.48, 40.50, 49.31)
CIE-LCHlch(47.48, 63.81, 50.61°)
OKLaboklab(56.24% 0.1107 0.1036)
OKLCHoklch(56.24% 0.152 43.1)
XYZxyz(23.5625, 16.3845, 2.9585)
Luminance0.1638 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

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
##BB501B1.004.914.284.91
#FFFFFF4.911.0021.001.00
#0000004.2821.001.0021.00
##FFFFFF4.911.0021.001.00

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

Preview Lab

Preview with #BB501B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#BB501B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva