#B1F161#B1F161

#B1F161 is a very light, vivid yellow-green. Relative luminance 0.731; OKLCH L 88.6% C 0.186 H 129.7°. Best body text is #000000 at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#B1F161
RGB	rgb(177, 241, 97)
HSL	hsl(87, 84%, 66%)
HSV	hsv(87, 60%, 95%)
CMYK	cmyk(26.6%, 0%, 59.8%, 5.5%)
CIE-LAB	lab(88.50, -42.18, 61.60)
CIE-LCH	lch(88.50, 74.66, 124.40°)
OKLab	oklab(88.65% -0.1187 0.1428)
OKLCH	oklch(88.65% 0.186 129.7)
XYZ	xyz(51.7441, 73.1195, 22.6942)
Luminance	0.7312 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F161 #A161F1

analogous

#F1E961 #B1F161 #69F161

triadic

#B1F161 #61B1F1 #F161B1

tetradic

#B1F161 #61F1E9 #A161F1 #F16169

square

#B1F161 #61F1E9 #A161F1 #F16169

split-complementary

#B1F161 #6169F1 #E961F1

monochromatic

#76C612 #95EC29 #B1F161 #CDF699 #E9FBD1

Accessibility & contrast

On white

1.34

#B1F161 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.62

#B1F161 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F161

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F161	#FFFFFF	#000000	##000000
##B1F161	1.00	1.34	15.62	15.62
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.62	21.00	1.00	1.00
##000000	15.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE151

Deuteranopia (green-blind)

#F2DD6B

Tritanopia (blue-blind)

#B5E7D2

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b1f161;
/* rgb */ color: rgb(177, 241, 97);
/* oklch */ color: oklch(88.6% 0.186 129.7);

Tailwind

colors: {
  custom: {
    50: '#ccf693',
    500: '#b1f161',
    950: '#000000',
  },
}

SCSS

$custom: #b1f161;
$custom-light: #ccf693;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f161",
  "rgb": {
    "r": 177,
    "g": 241,
    "b": 97
  },
  "hsl": {
    "h": 86.667,
    "s": 83.721,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8865,
    "c": 0.18572,
    "h": 129.7
  },
  "luminance": 0.73121
}

Semantic roles & 50–950 ramp

primary

#B1F161

secondary

#7333C3

accent

#05E067

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F161

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

Preview Lab → · Contrast checker → · Palette generator →