#B1F474#B1F474

#B1F474 is a very light, vivid yellow-green. Relative luminance 0.753; OKLCH L 89.5% C 0.174 H 131.9°. Best body text is #000000 at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#B1F474
RGB	rgb(177, 244, 116)
HSL	hsl(91, 85%, 71%)
HSV	hsv(91, 52%, 96%)
CMYK	cmyk(27.5%, 0%, 52.5%, 4.3%)
CIE-LAB	lab(89.54, -41.72, 54.43)
CIE-LCH	lch(89.54, 68.58, 127.47°)
OKLab	oklab(89.55% -0.116 0.1291)
OKLCH	oklch(89.55% 0.174 131.9)
XYZ	xyz(53.6338, 75.3079, 28.2297)
Luminance	0.7531 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F474 #B774F4

analogous

#F1F474 #B1F474 #74F477

triadic

#B1F474 #74B1F4 #F474B1

tetradic

#B1F474 #74F1F4 #B774F4 #F47774

square

#B1F474 #74F1F4 #B774F4 #F47774

split-complementary

#B1F474 #7774F4 #F474F1

monochromatic

#72DC11 #91F03B #B1F474 #D1F8AD #EFFDE3

Accessibility & contrast

On white

1.31

#B1F474 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.06

#B1F474 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F474

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F474	#FFFFFF	#000000	##000000
##B1F474	1.00	1.31	16.06	16.06
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.06	21.00	1.00	1.00
##000000	16.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE468

Deuteranopia (green-blind)

#F3DF7C

Tritanopia (blue-blind)

#B3EBD7

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #b1f474;
/* rgb */ color: rgb(177, 244, 116);
/* oklch */ color: oklch(89.5% 0.174 131.9);

Tailwind

colors: {
  custom: {
    50: '#cbf89f',
    500: '#b1f474',
    950: '#000000',
  },
}

SCSS

$custom: #b1f474;
$custom-light: #cbf89f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f474",
  "rgb": {
    "r": 177,
    "g": 244,
    "b": 116
  },
  "hsl": {
    "h": 91.406,
    "s": 85.333,
    "l": 70.588
  },
  "oklch": {
    "l": 0.89548,
    "c": 0.17356,
    "h": 131.9
  },
  "luminance": 0.75309
}

Semantic roles & 50–950 ramp

primary

#B1F474

secondary

#893ECE

accent

#04E278

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B1F474

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

Preview Lab → · Contrast checker → · Palette generator →