#BBC63B#BBC63B

#BBC63B is a light, vivid yellow. Relative luminance 0.513; OKLCH L 79.3% C 0.157 H 113.9°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#BBC63B
RGB	rgb(187, 198, 59)
HSL	hsl(65, 55%, 50%)
HSV	hsv(65, 70%, 78%)
CMYK	cmyk(5.6%, 0%, 70.2%, 22.4%)
CIE-LAB	lab(76.84, -20.93, 64.59)
CIE-LCH	lch(76.84, 67.90, 107.95°)
OKLab	oklab(79.32% -0.0638 0.1438)
OKLCH	oklch(79.32% 0.157 113.9)
XYZ	xyz(41.4782, 51.2695, 11.8478)
Luminance	0.5127 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC63B #463BC6

analogous

#C68B3B #BBC63B #75C63B

triadic

#BBC63B #3BBBC6 #C63BBB

tetradic

#BBC63B #3BC68B #463BC6 #C63B75

square

#BBC63B #3BC68B #463BC6 #C63B75

split-complementary

#BBC63B #3B75C6 #8B3BC6

monochromatic

#62681E #8F982C #BBC63B #CBD46A #DCE29A

Accessibility & contrast

On white

1.87

#BBC63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#BBC63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC63B

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC63B	#FFFFFF	#000000	##000000
##BBC63B	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC23

Deuteranopia (green-blind)

#D4BF46

Tritanopia (blue-blind)

#C7BAAB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #bbc63b;
/* rgb */ color: rgb(187, 198, 59);
/* oklch */ color: oklch(79.3% 0.157 113.9);

Tailwind

colors: {
  custom: {
    50: '#d3d77a',
    500: '#bbc63b',
    950: '#000000',
  },
}

SCSS

$custom: #bbc63b;
$custom-light: #d3d77a;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc63b",
  "rgb": {
    "r": 187,
    "g": 198,
    "b": 59
  },
  "hsl": {
    "h": 64.748,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.79318,
    "c": 0.15731,
    "h": 113.9
  },
  "luminance": 0.51269
}

Semantic roles & 50–950 ramp

primary

#BBC63B

secondary

#383372

accent

#4ADE55

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#15140A

muted

#84837D

Preview Lab

Preview with #BBC63B

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

Preview Lab → · Contrast checker → · Palette generator →