#B1F361#B1F361

#B1F361 is a very light, vivid yellow-green. Relative luminance 0.743; OKLCH L 89.1% C 0.188 H 130.0°. Best body text is #000000 at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#B1F361
RGB	rgb(177, 243, 97)
HSL	hsl(87, 86%, 67%)
HSV	hsv(87, 60%, 95%)
CMYK	cmyk(27.2%, 0%, 60.1%, 4.7%)
CIE-LAB	lab(89.07, -43.06, 62.23)
CIE-LCH	lch(89.07, 75.67, 124.68°)
OKLab	oklab(89.11% -0.1211 0.1442)
OKLCH	oklch(89.11% 0.188 130)
XYZ	xyz(52.3393, 74.3100, 22.8926)
Luminance	0.7431 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F361 #A361F3

analogous

#F3EC61 #B1F361 #68F361

triadic

#B1F361 #61B1F3 #F361B1

tetradic

#B1F361 #61F3EC #A361F3 #F36168

square

#B1F361 #61F3EC #A361F3 #F36168

split-complementary

#B1F361 #6168F3 #EC61F3

monochromatic

#76CA0F #95EF28 #B1F361 #CDF79A #E9FCD3

Accessibility & contrast

On white

1.32

#B1F361 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.86

#B1F361 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F361

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F361	#FFFFFF	#000000	##000000
##B1F361	1.00	1.32	15.86	15.86
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.86	21.00	1.00	1.00
##000000	15.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE350

Deuteranopia (green-blind)

#F4DE6C

Tritanopia (blue-blind)

#B5E9D4

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b1f361;
/* rgb */ color: rgb(177, 243, 97);
/* oklch */ color: oklch(89.1% 0.188 130.0);

Tailwind

colors: {
  custom: {
    50: '#ccf793',
    500: '#b1f361',
    950: '#000000',
  },
}

SCSS

$custom: #b1f361;
$custom-light: #ccf793;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f361",
  "rgb": {
    "r": 177,
    "g": 243,
    "b": 97
  },
  "hsl": {
    "h": 87.123,
    "s": 85.882,
    "l": 66.667
  },
  "oklch": {
    "l": 0.89108,
    "c": 0.18828,
    "h": 130
  },
  "luminance": 0.74311
}

Semantic roles & 50–950 ramp

primary

#B1F361

secondary

#7531C7

accent

#03E268

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F361

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

Preview Lab → · Contrast checker → · Palette generator →