#B1D53E#B1D53E

#B1D53E is a light, vivid yellow-green. Relative luminance 0.573; OKLCH L 82.0% C 0.176 H 122.1°. Best body text is #000000 at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#B1D53E
RGB	rgb(177, 213, 62)
HSL	hsl(74, 64%, 54%)
HSV	hsv(74, 71%, 84%)
CMYK	cmyk(16.9%, 0%, 70.9%, 16.5%)
CIE-LAB	lab(80.34, -32.02, 66.72)
CIE-LCH	lch(80.34, 74.01, 115.64°)
OKLab	oklab(81.96% -0.0937 0.149)
OKLCH	oklch(81.96% 0.176 122.1)
XYZ	xyz(42.7958, 57.2833, 13.3587)
Luminance	0.5728 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D53E #623ED5

analogous

#D5AE3E #B1D53E #66D53E

triadic

#B1D53E #3EB1D5 #D53EB1

tetradic

#B1D53E #3ED5AE #623ED5 #D53E66

square

#B1D53E #3ED5AE #623ED5 #D53E66

split-complementary

#B1D53E #3E66D5 #AE3ED5

monochromatic

#667D1B #8FB026 #B1D53E #C5E070 #DAEBA3

Accessibility & contrast

On white

1.69

#B1D53E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.46

#B1D53E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D53E

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D53E	#FFFFFF	#000000	##000000
##B1D53E	1.00	1.69	12.46	12.46
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.46	21.00	1.00	1.00
##000000	12.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C823

Deuteranopia (green-blind)

#DDC74B

Tritanopia (blue-blind)

#BACAB8

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b1d53e;
/* rgb */ color: rgb(177, 213, 62);
/* oklch */ color: oklch(82.0% 0.176 122.1);

Tailwind

colors: {
  custom: {
    50: '#cce27d',
    500: '#b1d53e',
    950: '#000000',
  },
}

SCSS

$custom: #b1d53e;
$custom-light: #cce27d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d53e",
  "rgb": {
    "r": 177,
    "g": 213,
    "b": 62
  },
  "hsl": {
    "h": 74.305,
    "s": 64.255,
    "l": 53.922
  },
  "oklch": {
    "l": 0.81958,
    "c": 0.17603,
    "h": 122.1
  },
  "luminance": 0.57283
}

Semantic roles & 50–950 ramp

primary

#B1D53E

secondary

#463285

accent

#41E768

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D53E

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

Preview Lab → · Contrast checker → · Palette generator →