#B1D64B#B1D64B

#B1D64B is a very light, vivid yellow-green. Relative luminance 0.579; OKLCH L 82.3% C 0.169 H 122.9°. Best body text is #000000 at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#B1D64B
RGB	rgb(177, 214, 75)
HSL	hsl(76, 63%, 57%)
HSV	hsv(76, 65%, 84%)
CMYK	cmyk(17.3%, 0%, 65%, 16.1%)
CIE-LAB	lab(80.71, -31.69, 62.20)
CIE-LCH	lch(80.71, 69.80, 117.00°)
OKLab	oklab(82.29% -0.0916 0.1414)
OKLCH	oklch(82.29% 0.169 122.9)
XYZ	xyz(43.4485, 57.9481, 15.5514)
Luminance	0.5795 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D64B #704BD6

analogous

#D6B64B #B1D64B #6CD64B

triadic

#B1D64B #4BB1D6 #D64BB1

tetradic

#B1D64B #4BD6B6 #704BD6 #D64B6C

square

#B1D64B #4BD6B6 #704BD6 #D64B6C

split-complementary

#B1D64B #4B6CD6 #B64BD6

monochromatic

#6C881F #93BA2A #B1D64B #C7E17D #DCEDAF

Accessibility & contrast

On white

1.67

#B1D64B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.59

#B1D64B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D64B

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D64B	#FFFFFF	#000000	##000000
##B1D64B	1.00	1.67	12.59	12.59
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.59	21.00	1.00	1.00
##000000	12.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C938

Deuteranopia (green-blind)

#DDC855

Tritanopia (blue-blind)

#B9CCBA

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b1d64b;
/* rgb */ color: rgb(177, 214, 75);
/* oklch */ color: oklch(82.3% 0.169 122.9);

Tailwind

colors: {
  custom: {
    50: '#cbe284',
    500: '#b1d64b',
    950: '#000000',
  },
}

SCSS

$custom: #b1d64b;
$custom-light: #cbe284;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d64b",
  "rgb": {
    "r": 177,
    "g": 214,
    "b": 75
  },
  "hsl": {
    "h": 75.971,
    "s": 62.896,
    "l": 56.667
  },
  "oklch": {
    "l": 0.82286,
    "c": 0.16851,
    "h": 122.9
  },
  "luminance": 0.57948
}

Semantic roles & 50–950 ramp

primary

#B1D64B

secondary

#4E378E

accent

#42E66E

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D64B

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

Preview Lab → · Contrast checker → · Palette generator →