#BBCC37#BBCC37

#BBCC37 is a light, vivid yellow. Relative luminance 0.540; OKLCH L 80.6% C 0.166 H 116.0°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#BBCC37
RGB	rgb(187, 204, 55)
HSL	hsl(67, 59%, 51%)
HSV	hsv(67, 73%, 80%)
CMYK	cmyk(8.3%, 0%, 73%, 20%)
CIE-LAB	lab(78.48, -24.06, 67.57)
CIE-LCH	lch(78.48, 71.72, 109.60°)
OKLab	oklab(80.62% -0.0728 0.1494)
OKLCH	oklch(80.62% 0.166 116)
XYZ	xyz(42.7771, 54.0270, 11.7885)
Luminance	0.5403 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBCC37 #4837CC

analogous

#CC9337 #BBCC37 #70CC37

triadic

#BBCC37 #37BBCC #CC37BB

tetradic

#BBCC37 #37CC93 #4837CC #CC3770

square

#BBCC37 #37CC93 #4837CC #CC3770

split-complementary

#BBCC37 #3770CC #9337CC

monochromatic

#646D1C #909E28 #BBCC37 #CCD868 #DCE599

Accessibility & contrast

On white

1.78

#BBCC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.81

#BBCC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBCC37

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBCC37	#FFFFFF	#000000	##000000
##BBCC37	1.00	1.78	11.81	11.81
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.81	21.00	1.00	1.00
##000000	11.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC118

Deuteranopia (green-blind)

#D9C344

Tritanopia (blue-blind)

#C7C0B0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #bbcc37;
/* rgb */ color: rgb(187, 204, 55);
/* oklch */ color: oklch(80.6% 0.166 116.0);

Tailwind

colors: {
  custom: {
    50: '#d3db78',
    500: '#bbcc37',
    950: '#000000',
  },
}

SCSS

$custom: #bbcc37;
$custom-light: #d3db78;
$custom-dark: #000000;

JSON

{
  "hex": "#bbcc37",
  "rgb": {
    "r": 187,
    "g": 204,
    "b": 55
  },
  "hsl": {
    "h": 66.846,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.80622,
    "c": 0.16622,
    "h": 116
  },
  "luminance": 0.54026
}

Semantic roles & 50–950 ramp

primary

#BBCC37

secondary

#393176

accent

#45E357

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#15150A

muted

#84847D

Preview Lab

Preview with #BBCC37

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

Preview Lab → · Contrast checker → · Palette generator →