#B1D557#B1D557

#B1D557 is a very light, vivid yellow-green. Relative luminance 0.576; OKLCH L 82.2% C 0.158 H 123.3°. Best body text is #000000 at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#B1D557
RGB	rgb(177, 213, 87)
HSL	hsl(77, 60%, 59%)
HSV	hsv(77, 59%, 84%)
CMYK	cmyk(16.9%, 0%, 59.2%, 16.5%)
CIE-LAB	lab(80.53, -30.32, 56.99)
CIE-LCH	lch(80.53, 64.56, 118.01°)
OKLab	oklab(82.17% -0.0867 0.1319)
OKLCH	oklch(82.17% 0.158 123.3)
XYZ	xyz(43.6463, 57.6235, 17.8380)
Luminance	0.5762 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D557 #7B57D5

analogous

#D5BA57 #B1D557 #72D557

triadic

#B1D557 #57B1D5 #D557B1

tetradic

#B1D557 #57D5BA #7B57D5 #D55772

square

#B1D557 #57D5BA #7B57D5 #D55772

split-complementary

#B1D557 #5772D5 #BA57D5

monochromatic

#708E24 #96BF30 #B1D557 #C8E188 #DEEDB9

Accessibility & contrast

On white

1.68

#B1D557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.52

#B1D557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D557

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D557	#FFFFFF	#000000	##000000
##B1D557	1.00	1.68	12.52	12.52
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.52	21.00	1.00	1.00
##000000	12.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C949

Deuteranopia (green-blind)

#DCC860

Tritanopia (blue-blind)

#B9CBBA

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b1d557;
/* rgb */ color: rgb(177, 213, 87);
/* oklch */ color: oklch(82.2% 0.158 123.3);

Tailwind

colors: {
  custom: {
    50: '#cbe28b',
    500: '#b1d557',
    950: '#000000',
  },
}

SCSS

$custom: #b1d557;
$custom-light: #cbe28b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d557",
  "rgb": {
    "r": 177,
    "g": 213,
    "b": 87
  },
  "hsl": {
    "h": 77.143,
    "s": 60,
    "l": 58.824
  },
  "oklch": {
    "l": 0.82172,
    "c": 0.15787,
    "h": 123.3
  },
  "luminance": 0.57624
}

Semantic roles & 50–950 ramp

primary

#B1D557

secondary

#553C94

accent

#45E372

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1D557

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

Preview Lab → · Contrast checker → · Palette generator →