#BBC537#BBC537

#BBC537 is a light, vivid yellow. Relative luminance 0.508; OKLCH L 79.1% C 0.159 H 113.5°. Best body text is #000000 at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#BBC537
RGB	rgb(187, 197, 55)
HSL	hsl(64, 56%, 49%)
HSV	hsv(64, 72%, 77%)
CMYK	cmyk(5.1%, 0%, 72.1%, 22.7%)
CIE-LAB	lab(76.54, -20.63, 65.72)
CIE-LCH	lch(76.54, 68.88, 107.43°)
OKLab	oklab(79.07% -0.0633 0.1455)
OKLCH	oklch(79.07% 0.159 113.5)
XYZ	xyz(41.1506, 50.7740, 11.2463)
Luminance	0.5077 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC537 #4137C5

analogous

#C58837 #BBC537 #74C537

triadic

#BBC537 #37BBC5 #C537BB

tetradic

#BBC537 #37C588 #4137C5 #C53774

square

#BBC537 #37C588 #4137C5 #C53774

split-complementary

#BBC537 #3774C5 #8837C5

monochromatic

#60651C #8E952A #BBC537 #CCD465 #DCE195

Accessibility & contrast

On white

1.88

#BBC537 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.15

#BBC537 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC537

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC537	#FFFFFF	#000000	##000000
##BBC537	1.00	1.88	11.15	11.15
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.15	21.00	1.00	1.00
##000000	11.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BB1C

Deuteranopia (green-blind)

#D3BE42

Tritanopia (blue-blind)

#C7B9AA

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #bbc537;
/* rgb */ color: rgb(187, 197, 55);
/* oklch */ color: oklch(79.1% 0.159 113.5);

Tailwind

colors: {
  custom: {
    50: '#d3d678',
    500: '#bbc537',
    950: '#000000',
  },
}

SCSS

$custom: #bbc537;
$custom-light: #d3d678;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc537",
  "rgb": {
    "r": 187,
    "g": 197,
    "b": 55
  },
  "hsl": {
    "h": 64.225,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.7907,
    "c": 0.15869,
    "h": 113.5
  },
  "luminance": 0.50773
}

Semantic roles & 50–950 ramp

primary

#BBC537

secondary

#353170

accent

#48E053

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#151409

muted

#84837D

Preview Lab

Preview with #BBC537

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

Preview Lab → · Contrast checker → · Palette generator →