#B1F55C#B1F55C

#B1F55C is a very light, vivid yellow-green. Relative luminance 0.754; OKLCH L 89.5% C 0.195 H 130.0°. Best body text is #000000 at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#B1F55C
RGB	rgb(177, 245, 92)
HSL	hsl(87, 88%, 66%)
HSV	hsv(87, 62%, 96%)
CMYK	cmyk(27.8%, 0%, 62.4%, 3.9%)
CIE-LAB	lab(89.59, -44.33, 64.86)
CIE-LCH	lch(89.59, 78.56, 124.35°)
OKLab	oklab(89.52% -0.125 0.1492)
OKLCH	oklch(89.52% 0.195 130)
XYZ	xyz(52.7153, 75.4232, 21.9039)
Luminance	0.7542 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F55C #A05CF5

analogous

#F5ED5C #B1F55C #64F55C

triadic

#B1F55C #5CB1F5 #F55CB1

tetradic

#B1F55C #5CF5ED #A05CF5 #F55C64

square

#B1F55C #5CF5ED #A05CF5 #F55C64

split-complementary

#B1F55C #5C64F5 #ED5CF5

monochromatic

#76CA0C #95F122 #B1F55C #CDF996 #E8FCCF

Accessibility & contrast

On white

1.31

#B1F55C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.09

#B1F55C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F55C

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F55C	#FFFFFF	#000000	##000000
##B1F55C	1.00	1.31	16.09	16.09
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.09	21.00	1.00	1.00
##000000	16.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE449

Deuteranopia (green-blind)

#F6E068

Tritanopia (blue-blind)

#B5EBD5

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #b1f55c;
/* rgb */ color: rgb(177, 245, 92);
/* oklch */ color: oklch(89.5% 0.195 130.0);

Tailwind

colors: {
  custom: {
    50: '#ccf990',
    500: '#b1f55c',
    950: '#000000',
  },
}

SCSS

$custom: #b1f55c;
$custom-light: #ccf990;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f55c",
  "rgb": {
    "r": 177,
    "g": 245,
    "b": 92
  },
  "hsl": {
    "h": 86.667,
    "s": 88.439,
    "l": 66.078
  },
  "oklch": {
    "l": 0.89518,
    "c": 0.19465,
    "h": 130
  },
  "luminance": 0.75425
}

Semantic roles & 50–950 ramp

primary

#B1F55C

secondary

#722FC6

accent

#00E566

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F55C

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

Preview Lab → · Contrast checker → · Palette generator →