#B5D557#B5D557

#B5D557 is a very light, vivid yellow-green. Relative luminance 0.581; OKLCH L 82.5% C 0.156 H 121.9°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#B5D557
RGB	rgb(181, 213, 87)
HSL	hsl(75, 60%, 59%)
HSV	hsv(75, 59%, 84%)
CMYK	cmyk(15%, 0%, 59.2%, 16.5%)
CIE-LAB	lab(80.79, -28.76, 57.36)
CIE-LCH	lch(80.79, 64.17, 116.63°)
OKLab	oklab(82.45% -0.0826 0.1327)
OKLCH	oklch(82.45% 0.156 121.9)
XYZ	xyz(44.5710, 58.1003, 17.8814)
Luminance	0.5810 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D557 #7757D5

analogous

#D5B657 #B5D557 #76D557

triadic

#B5D557 #57B5D5 #D557B5

tetradic

#B5D557 #57D5B6 #7757D5 #D55776

square

#B5D557 #57D5B6 #7757D5 #D55776

split-complementary

#B5D557 #5776D5 #B657D5

monochromatic

#738E24 #9BBF30 #B5D557 #CBE188 #E0EDB9

Accessibility & contrast

On white

1.66

#B5D557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.62

#B5D557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D557

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D557	#FFFFFF	#000000	##000000
##B5D557	1.00	1.66	12.62	12.62
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.62	21.00	1.00	1.00
##000000	12.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C949

Deuteranopia (green-blind)

#DDC95F

Tritanopia (blue-blind)

#BECBBA

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b5d557;
/* rgb */ color: rgb(181, 213, 87);
/* oklch */ color: oklch(82.5% 0.156 121.9);

Tailwind

colors: {
  custom: {
    50: '#cee28b',
    500: '#b5d557',
    950: '#000000',
  },
}

SCSS

$custom: #b5d557;
$custom-light: #cee28b;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d557",
  "rgb": {
    "r": 181,
    "g": 213,
    "b": 87
  },
  "hsl": {
    "h": 75.238,
    "s": 60,
    "l": 58.824
  },
  "oklch": {
    "l": 0.82454,
    "c": 0.15625,
    "h": 121.9
  },
  "luminance": 0.581
}

Semantic roles & 50–950 ramp

primary

#B5D557

secondary

#533C94

accent

#45E36D

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B5D557

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

Preview Lab → · Contrast checker → · Palette generator →