#B1F671#B1F671

#B1F671 is a very light, vivid yellow-green. Relative luminance 0.765; OKLCH L 90.0% C 0.179 H 131.9°. Best body text is #000000 at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#B1F671
RGB	rgb(177, 246, 113)
HSL	hsl(91, 88%, 70%)
HSV	hsv(91, 54%, 96%)
CMYK	cmyk(28%, 0%, 54.1%, 3.5%)
CIE-LAB	lab(90.07, -42.90, 56.41)
CIE-LCH	lch(90.07, 70.87, 127.25°)
OKLab	oklab(89.97% -0.1194 0.1332)
OKLCH	oklch(89.97% 0.179 131.9)
XYZ	xyz(54.0671, 76.4493, 27.5271)
Luminance	0.7645 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F671 #B671F6

analogous

#F3F671 #B1F671 #71F674

triadic

#B1F671 #71B1F6 #F671B1

tetradic

#B1F671 #71F3F6 #B671F6 #F67471

square

#B1F671 #71F3F6 #B671F6 #F67471

split-complementary

#B1F671 #7471F6 #F671F3

monochromatic

#72DE0E #91F237 #B1F671 #D1FAAB #EFFDE2

Accessibility & contrast

On white

1.29

#B1F671 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.29

#B1F671 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F671

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F671	#FFFFFF	#000000	##000000
##B1F671	1.00	1.29	16.29	16.29
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.29	21.00	1.00	1.00
##000000	16.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE664

Deuteranopia (green-blind)

#F5E17A

Tritanopia (blue-blind)

#B3EDD8

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #b1f671;
/* rgb */ color: rgb(177, 246, 113);
/* oklch */ color: oklch(90.0% 0.179 131.9);

Tailwind

colors: {
  custom: {
    50: '#cbf99d',
    500: '#b1f671',
    950: '#000000',
  },
}

SCSS

$custom: #b1f671;
$custom-light: #cbf99d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f671",
  "rgb": {
    "r": 177,
    "g": 246,
    "b": 113
  },
  "hsl": {
    "h": 91.128,
    "s": 88.079,
    "l": 70.392
  },
  "oklch": {
    "l": 0.89968,
    "c": 0.17891,
    "h": 131.9
  },
  "luminance": 0.76451
}

Semantic roles & 50–950 ramp

primary

#B1F671

secondary

#883BD0

accent

#01E577

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B1F671

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

Preview Lab → · Contrast checker → · Palette generator →