#B1D561#B1D561

#B1D561 is a very light, vivid yellow-green. Relative luminance 0.578; OKLCH L 82.3% C 0.149 H 124.0°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#B1D561
RGB	rgb(177, 213, 97)
HSL	hsl(79, 58%, 61%)
HSV	hsv(79, 54%, 84%)
CMYK	cmyk(16.9%, 0%, 54.5%, 16.5%)
CIE-LAB	lab(80.63, -29.46, 52.64)
CIE-LCH	lch(80.63, 60.32, 119.23°)
OKLab	oklab(82.28% -0.0834 0.1236)
OKLCH	oklch(82.28% 0.149 124)
XYZ	xyz(44.0835, 57.7984, 20.1407)
Luminance	0.5780 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D561 #8561D5

analogous

#D5BF61 #B1D561 #77D561

triadic

#B1D561 #61B1D5 #D561B1

tetradic

#B1D561 #61D5BF #8561D5 #D56177

square

#B1D561 #61D5BF #8561D5 #D56177

split-complementary

#B1D561 #6177D5 #BF61D5

monochromatic

#729427 #98C534 #B1D561 #C9E291 #E1EFC2

Accessibility & contrast

On white

1.67

#B1D561 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.56

#B1D561 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D561

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D561	#FFFFFF	#000000	##000000
##B1D561	1.00	1.67	12.56	12.56
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.56	21.00	1.00	1.00
##000000	12.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C956

Deuteranopia (green-blind)

#DBC868

Tritanopia (blue-blind)

#B8CCBB

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b1d561;
/* rgb */ color: rgb(177, 213, 97);
/* oklch */ color: oklch(82.3% 0.149 124.0);

Tailwind

colors: {
  custom: {
    50: '#cae291',
    500: '#b1d561',
    950: '#000000',
  },
}

SCSS

$custom: #b1d561;
$custom-light: #cae291;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d561",
  "rgb": {
    "r": 177,
    "g": 213,
    "b": 97
  },
  "hsl": {
    "h": 78.621,
    "s": 58,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82283,
    "c": 0.14913,
    "h": 124
  },
  "luminance": 0.57799
}

Semantic roles & 50–950 ramp

primary

#B1D561

secondary

#5C4199

accent

#20C653

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#13150D

muted

#83847F

Preview Lab

Preview with #B1D561

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

Preview Lab → · Contrast checker → · Palette generator →