#B1E366#B1E366

#B1E366 is a very light, vivid yellow-green. Relative luminance 0.652; OKLCH L 85.5% C 0.163 H 127.7°. Best body text is #000000 at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#B1E366
RGB	rgb(177, 227, 102)
HSL	hsl(84, 69%, 65%)
HSV	hsv(84, 55%, 89%)
CMYK	cmyk(22%, 0%, 55.1%, 11%)
CIE-LAB	lab(84.61, -35.49, 54.99)
CIE-LCH	lch(84.61, 65.45, 122.84°)
OKLab	oklab(85.51% -0.0998 0.1292)
OKLCH	oklch(85.51% 0.163 127.7)
XYZ	xyz(47.9986, 65.2438, 22.6323)
Luminance	0.6524 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E366 #9866E3

analogous

#E3D766 #B1E366 #73E366

triadic

#B1E366 #66B1E3 #E366B1

tetradic

#B1E366 #66E3D7 #9866E3 #E36673

square

#B1E366 #66E3D7 #9866E3 #E36673

split-complementary

#B1E366 #6673E3 #D766E3

monochromatic

#76AF20 #97DA32 #B1E366 #CBEC9A #E6F6CD

Accessibility & contrast

On white

1.49

#B1E366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.05

#B1E366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E366

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E366	#FFFFFF	#000000	##000000
##B1E366	1.00	1.49	14.05	14.05
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.05	21.00	1.00	1.00
##000000	14.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD55A

Deuteranopia (green-blind)

#E6D26E

Tritanopia (blue-blind)

#B6DAC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #b1e366;
/* rgb */ color: rgb(177, 227, 102);
/* oklch */ color: oklch(85.5% 0.163 127.7);

Tailwind

colors: {
  custom: {
    50: '#cbec95',
    500: '#b1e366',
    950: '#000000',
  },
}

SCSS

$custom: #b1e366;
$custom-light: #cbec95;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e366",
  "rgb": {
    "r": 177,
    "g": 227,
    "b": 102
  },
  "hsl": {
    "h": 84,
    "s": 69.061,
    "l": 64.51
  },
  "oklch": {
    "l": 0.85512,
    "c": 0.16322,
    "h": 127.7
  },
  "luminance": 0.65245
}

Semantic roles & 50–950 ramp

primary

#B1E366

secondary

#6B3DB0

accent

#14D160

background

#FEFEFC

surface

#FBFDF5

border

#D4D5CF

text

#14160D

muted

#83847F

Preview Lab

Preview with #B1E366

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

Preview Lab → · Contrast checker → · Palette generator →