#B1CB41#B1CB41

#B1CB41 is a light, vivid yellow-green. Relative luminance 0.524; OKLCH L 79.7% C 0.162 H 119.5°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#B1CB41
RGB	rgb(177, 203, 65)
HSL	hsl(71, 57%, 53%)
HSV	hsv(71, 68%, 80%)
CMYK	cmyk(12.8%, 0%, 68%, 20.4%)
CIE-LAB	lab(77.54, -27.14, 62.82)
CIE-LCH	lch(77.54, 68.43, 113.36°)
OKLab	oklab(79.71% -0.0799 0.1413)
OKLCH	oklch(79.71% 0.162 119.5)
XYZ	xyz(40.4423, 52.4409, 12.9916)
Luminance	0.5244 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CB41 #5B41CB

analogous

#CBA041 #B1CB41 #6CCB41

triadic

#B1CB41 #41B1CB #CB41B1

tetradic

#B1CB41 #41CBA0 #5B41CB #CB416C

square

#B1CB41 #41CBA0 #5B41CB #CB416C

split-complementary

#B1CB41 #416CCB #A041CB

monochromatic

#63721F #8CA22C #B1CB41 #C5D871 #D8E5A1

Accessibility & contrast

On white

1.83

#B1CB41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.49

#B1CB41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CB41

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CB41	#FFFFFF	#000000	##000000
##B1CB41	1.00	1.83	11.49	11.49
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.49	21.00	1.00	1.00
##000000	11.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C02C

Deuteranopia (green-blind)

#D5C04C

Tritanopia (blue-blind)

#BBC0AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b1cb41;
/* rgb */ color: rgb(177, 203, 65);
/* oklch */ color: oklch(79.7% 0.162 119.5);

Tailwind

colors: {
  custom: {
    50: '#cbda7d',
    500: '#b1cb41',
    950: '#000000',
  },
}

SCSS

$custom: #b1cb41;
$custom-light: #cbda7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cb41",
  "rgb": {
    "r": 177,
    "g": 203,
    "b": 65
  },
  "hsl": {
    "h": 71.304,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.79711,
    "c": 0.16233,
    "h": 119.5
  },
  "luminance": 0.52441
}

Semantic roles & 50–950 ramp

primary

#B1CB41

secondary

#42357B

accent

#48E064

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1CB41

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

Preview Lab → · Contrast checker → · Palette generator →