#BBC33F#BBC33F

#BBC33F is a light, vivid yellow. Relative luminance 0.500; OKLCH L 78.7% C 0.151 H 112.8°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#BBC33F
RGB	rgb(187, 195, 63)
HSL	hsl(64, 52%, 51%)
HSV	hsv(64, 68%, 76%)
CMYK	cmyk(4.1%, 0%, 67.7%, 23.5%)
CIE-LAB	lab(76.04, -19.23, 62.30)
CIE-LCH	lch(76.04, 65.20, 107.15°)
OKLab	oklab(78.69% -0.0586 0.1397)
OKLCH	oklch(78.69% 0.151 112.8)
XYZ	xyz(40.9070, 49.9548, 12.1890)
Luminance	0.4995 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC33F #473FC3

analogous

#C3893F #BBC33F #79C33F

triadic

#BBC33F #3FBBC3 #C33FBB

tetradic

#BBC33F #3FC389 #473FC3 #C33F79

square

#BBC33F #3FC389 #473FC3 #C33F79

split-complementary

#BBC33F #3F79C3 #893FC3

monochromatic

#636720 #90962F #BBC33F #CCD26E #DCE09C

Accessibility & contrast

On white

1.91

#BBC33F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.99

#BBC33F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC33F

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC33F	#FFFFFF	#000000	##000000
##BBC33F	1.00	1.91	10.99	10.99
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.99	21.00	1.00	1.00
##000000	10.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA2B

Deuteranopia (green-blind)

#D1BD49

Tritanopia (blue-blind)

#C7B7A9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #bbc33f;
/* rgb */ color: rgb(187, 195, 63);
/* oklch */ color: oklch(78.7% 0.151 112.8);

Tailwind

colors: {
  custom: {
    50: '#d3d57c',
    500: '#bbc33f',
    950: '#000000',
  },
}

SCSS

$custom: #bbc33f;
$custom-light: #d3d57c;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc33f",
  "rgb": {
    "r": 187,
    "g": 195,
    "b": 63
  },
  "hsl": {
    "h": 63.636,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.78685,
    "c": 0.15146,
    "h": 112.8
  },
  "luminance": 0.49954
}

Semantic roles & 50–950 ramp

primary

#BBC33F

secondary

#9592CC

accent

#4CDC55

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#15140A

muted

#83837C

Preview Lab

Preview with #BBC33F

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

Preview Lab → · Contrast checker → · Palette generator →