#B1CB34#B1CB34

#B1CB34 is a light, vivid yellow-green. Relative luminance 0.523; OKLCH L 79.6% C 0.170 H 119.1°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#B1CB34
RGB	rgb(177, 203, 52)
HSL	hsl(70, 59%, 50%)
HSV	hsv(70, 74%, 80%)
CMYK	cmyk(12.8%, 0%, 74.4%, 20.4%)
CIE-LAB	lab(77.46, -27.83, 67.35)
CIE-LCH	lch(77.46, 72.87, 112.45°)
OKLab	oklab(79.62% -0.0829 0.1488)
OKLCH	oklch(79.62% 0.17 119.1)
XYZ	xyz(40.1081, 52.3072, 11.2315)
Luminance	0.5231 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CB34 #4E34CB

analogous

#CB9934 #B1CB34 #66CB34

triadic

#B1CB34 #34B1CB #CB34B1

tetradic

#B1CB34 #34CB99 #4E34CB #CB3466

square

#B1CB34 #34CB99 #4E34CB #CB3466

split-complementary

#B1CB34 #3466CB #9934CB

monochromatic

#5C6A1B #879A28 #B1CB34 #C4D765 #D6E495

Accessibility & contrast

On white

1.83

#B1CB34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#B1CB34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CB34

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CB34	#FFFFFF	#000000	##000000
##B1CB34	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF11

Deuteranopia (green-blind)

#D5C042

Tritanopia (blue-blind)

#BCC0AE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1cb34;
/* rgb */ color: rgb(177, 203, 52);
/* oklch */ color: oklch(79.6% 0.170 119.1);

Tailwind

colors: {
  custom: {
    50: '#ccda77',
    500: '#b1cb34',
    950: '#000000',
  },
}

SCSS

$custom: #b1cb34;
$custom-light: #ccda77;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cb34",
  "rgb": {
    "r": 177,
    "g": 203,
    "b": 52
  },
  "hsl": {
    "h": 70.331,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.79622,
    "c": 0.17032,
    "h": 119.1
  },
  "luminance": 0.52307
}

Semantic roles & 50–950 ramp

primary

#B1CB34

secondary

#3B3073

accent

#45E260

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B1CB34

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

Preview Lab → · Contrast checker → · Palette generator →