#B1F255#B1F255

#B1F255 is a very light, vivid yellow-green. Relative luminance 0.735; OKLCH L 88.8% C 0.196 H 129.0°. Best body text is #000000 at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#B1F255
RGB	rgb(177, 242, 85)
HSL	hsl(85, 86%, 64%)
HSV	hsv(85, 65%, 95%)
CMYK	cmyk(26.9%, 0%, 64.9%, 5.1%)
CIE-LAB	lab(88.69, -43.56, 66.68)
CIE-LCH	lch(88.69, 79.65, 123.15°)
OKLab	oklab(88.77% -0.1234 0.1522)
OKLCH	oklch(88.77% 0.196 129)
XYZ	xyz(51.5231, 73.5060, 20.0661)
Luminance	0.7351 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F255 #9655F2

analogous

#F2E555 #B1F255 #63F255

triadic

#B1F255 #55B1F2 #F255B1

tetradic

#B1F255 #55F2E5 #9655F2 #F25563

square

#B1F255 #55F2E5 #9655F2 #F25563

split-complementary

#B1F255 #5563F2 #E555F2

monochromatic

#75BE0F #97EE1C #B1F255 #CBF68E #E5FBC7

Accessibility & contrast

On white

1.34

#B1F255 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.70

#B1F255 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F255

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F255	#FFFFFF	#000000	##000000
##B1F255	1.00	1.34	15.70	15.70
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.70	21.00	1.00	1.00
##000000	15.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE240

Deuteranopia (green-blind)

#F4DD62

Tritanopia (blue-blind)

#B6E8D2

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #b1f255;
/* rgb */ color: rgb(177, 242, 85);
/* oklch */ color: oklch(88.8% 0.196 129.0);

Tailwind

colors: {
  custom: {
    50: '#ccf68c',
    500: '#b1f255',
    950: '#000000',
  },
}

SCSS

$custom: #b1f255;
$custom-light: #ccf68c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f255",
  "rgb": {
    "r": 177,
    "g": 242,
    "b": 85
  },
  "hsl": {
    "h": 84.841,
    "s": 85.792,
    "l": 64.118
  },
  "oklch": {
    "l": 0.88768,
    "c": 0.19597,
    "h": 129
  },
  "luminance": 0.73507
}

Semantic roles & 50–950 ramp

primary

#B1F255

secondary

#692FBC

accent

#03E260

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F255

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

Preview Lab → · Contrast checker → · Palette generator →