#B1CC33#B1CC33

#B1CC33 is a light, vivid yellow-green. Relative luminance 0.528; OKLCH L 79.8% C 0.172 H 119.4°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#B1CC33
RGB	rgb(177, 204, 51)
HSL	hsl(71, 60%, 50%)
HSV	hsv(71, 75%, 80%)
CMYK	cmyk(13.2%, 0%, 75%, 20%)
CIE-LAB	lab(77.74, -28.35, 67.93)
CIE-LCH	lch(77.74, 73.61, 112.66°)
OKLab	oklab(79.84% -0.0845 0.1498)
OKLCH	oklch(79.84% 0.172 119.4)
XYZ	xyz(40.3227, 52.7721, 11.1931)
Luminance	0.5277 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CC33 #4E33CC

analogous

#CC9A33 #B1CC33 #65CC33

triadic

#B1CC33 #33B1CC #CC33B1

tetradic

#B1CC33 #33CC9A #4E33CC #CC3365

square

#B1CC33 #33CC9A #4E33CC #CC3365

split-complementary

#B1CC33 #3365CC #9A33CC

monochromatic

#5C6A1B #879B27 #B1CC33 #C4D864 #D6E495

Accessibility & contrast

On white

1.82

#B1CC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#B1CC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CC33

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CC33	#FFFFFF	#000000	##000000
##B1CC33	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C00D

Deuteranopia (green-blind)

#D6C141

Tritanopia (blue-blind)

#BBC1AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b1cc33;
/* rgb */ color: rgb(177, 204, 51);
/* oklch */ color: oklch(79.8% 0.172 119.4);

Tailwind

colors: {
  custom: {
    50: '#ccdb76',
    500: '#b1cc33',
    950: '#000000',
  },
}

SCSS

$custom: #b1cc33;
$custom-light: #ccdb76;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cc33",
  "rgb": {
    "r": 177,
    "g": 204,
    "b": 51
  },
  "hsl": {
    "h": 70.588,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.79843,
    "c": 0.17198,
    "h": 119.4
  },
  "luminance": 0.52772
}

Semantic roles & 50–950 ramp

primary

#B1CC33

secondary

#3B2F74

accent

#45E361

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B1CC33

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

Preview Lab → · Contrast checker → · Palette generator →