#B1F861#B1F861

#B1F861 is a very light, vivid yellow-green. Relative luminance 0.773; OKLCH L 90.3% C 0.195 H 130.7°. Best body text is #000000 at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#B1F861
RGB	rgb(177, 248, 97)
HSL	hsl(88, 92%, 68%)
HSV	hsv(88, 61%, 97%)
CMYK	cmyk(28.6%, 0%, 60.9%, 2.7%)
CIE-LAB	lab(90.48, -45.22, 63.79)
CIE-LCH	lch(90.48, 78.19, 125.33°)
OKLab	oklab(90.25% -0.127 0.1475)
OKLCH	oklch(90.25% 0.195 130.7)
XYZ	xyz(53.8560, 77.3434, 23.3982)
Luminance	0.7734 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F861 #A861F8

analogous

#F8F461 #B1F861 #65F861

triadic

#B1F861 #61B1F8 #F861B1

tetradic

#B1F861 #61F8F4 #A861F8 #F86165

square

#B1F861 #61F8F4 #A861F8 #F86165

split-complementary

#B1F861 #6165F8 #F461F8

monochromatic

#75D509 #94F526 #B1F861 #CEFB9C #EBFDD6

Accessibility & contrast

On white

1.28

#B1F861 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.47

#B1F861 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F861

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F861	#FFFFFF	#000000	##000000
##B1F861	1.00	1.28	16.47	16.47
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.47	21.00	1.00	1.00
##000000	16.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE74F

Deuteranopia (green-blind)

#F8E26C

Tritanopia (blue-blind)

#B4EED8

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #b1f861;
/* rgb */ color: rgb(177, 248, 97);
/* oklch */ color: oklch(90.3% 0.195 130.7);

Tailwind

colors: {
  custom: {
    50: '#ccfb93',
    500: '#b1f861',
    950: '#000000',
  },
}

SCSS

$custom: #b1f861;
$custom-light: #ccfb93;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f861",
  "rgb": {
    "r": 177,
    "g": 248,
    "b": 97
  },
  "hsl": {
    "h": 88.212,
    "s": 91.515,
    "l": 67.647
  },
  "oklch": {
    "l": 0.90253,
    "c": 0.19467,
    "h": 130.7
  },
  "luminance": 0.77345
}

Semantic roles & 50–950 ramp

primary

#B1F861

secondary

#7A2DD0

accent

#00E66C

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F861

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

Preview Lab → · Contrast checker → · Palette generator →