#BBC43B#BBC43B

#BBC43B is a light, vivid yellow. Relative luminance 0.504; OKLCH L 78.9% C 0.155 H 113.2°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#BBC43B
RGB	rgb(187, 196, 59)
HSL	hsl(64, 54%, 50%)
HSV	hsv(64, 70%, 77%)
CMYK	cmyk(4.6%, 0%, 69.9%, 23.1%)
CIE-LAB	lab(76.29, -19.94, 64.05)
CIE-LCH	lch(76.29, 67.08, 107.29°)
OKLab	oklab(78.88% -0.061 0.1427)
OKLCH	oklch(78.88% 0.155 113.2)
XYZ	xyz(41.0241, 50.3613, 11.6965)
Luminance	0.5036 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC43B #443BC4

analogous

#C4893B #BBC43B #76C43B

triadic

#BBC43B #3BBBC4 #C43BBB

tetradic

#BBC43B #3BC489 #443BC4 #C43B76

square

#BBC43B #3BC489 #443BC4 #C43B76

split-complementary

#BBC43B #3B76C4 #893BC4

monochromatic

#61661F #8E952D #BBC43B #CBD26A #DCE099

Accessibility & contrast

On white

1.90

#BBC43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#BBC43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC43B

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC43B	#FFFFFF	#000000	##000000
##BBC43B	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB24

Deuteranopia (green-blind)

#D2BE45

Tritanopia (blue-blind)

#C7B8A9

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #bbc43b;
/* rgb */ color: rgb(187, 196, 59);
/* oklch */ color: oklch(78.9% 0.155 113.2);

Tailwind

colors: {
  custom: {
    50: '#d3d57a',
    500: '#bbc43b',
    950: '#000000',
  },
}

SCSS

$custom: #bbc43b;
$custom-light: #d3d57a;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc43b",
  "rgb": {
    "r": 187,
    "g": 196,
    "b": 59
  },
  "hsl": {
    "h": 63.942,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.78876,
    "c": 0.15517,
    "h": 113.2
  },
  "luminance": 0.5036
}

Semantic roles & 50–950 ramp

primary

#BBC43B

secondary

#373370

accent

#4BDD54

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#15140A

muted

#84837D

Preview Lab

Preview with #BBC43B

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

Preview Lab → · Contrast checker → · Palette generator →