#B1F66F#B1F66F

#B1F66F is a very light, vivid yellow-green. Relative luminance 0.764; OKLCH L 89.9% C 0.181 H 131.7°. Best body text is #000000 at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#B1F66F
RGB	rgb(177, 246, 111)
HSL	hsl(91, 88%, 70%)
HSV	hsv(91, 55%, 96%)
CMYK	cmyk(28%, 0%, 54.9%, 3.5%)
CIE-LAB	lab(90.05, -43.10, 57.28)
CIE-LCH	lch(90.05, 71.68, 126.96°)
OKLab	oklab(89.94% -0.1201 0.1349)
OKLCH	oklch(89.94% 0.181 131.7)
XYZ	xyz(53.9558, 76.4047, 26.9407)
Luminance	0.7641 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F66F #B46FF6

analogous

#F4F66F #B1F66F #6FF671

triadic

#B1F66F #6FB1F6 #F66FB1

tetradic

#B1F66F #6FF4F6 #B46FF6 #F6716F

square

#B1F66F #6FF4F6 #B46FF6 #F6716F

split-complementary

#B1F66F #716FF6 #F66FF4

monochromatic

#73DD0E #92F235 #B1F66F #D0FAA9 #EFFDE2

Accessibility & contrast

On white

1.29

#B1F66F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.28

#B1F66F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F66F

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F66F	#FFFFFF	#000000	##000000
##B1F66F	1.00	1.29	16.28	16.28
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.28	21.00	1.00	1.00
##000000	16.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE662

Deuteranopia (green-blind)

#F6E178

Tritanopia (blue-blind)

#B3EDD8

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b1f66f;
/* rgb */ color: rgb(177, 246, 111);
/* oklch */ color: oklch(89.9% 0.181 131.7);

Tailwind

colors: {
  custom: {
    50: '#cbf99c',
    500: '#b1f66f',
    950: '#000000',
  },
}

SCSS

$custom: #b1f66f;
$custom-light: #cbf99c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f66f",
  "rgb": {
    "r": 177,
    "g": 246,
    "b": 111
  },
  "hsl": {
    "h": 90.667,
    "s": 88.235,
    "l": 70
  },
  "oklch": {
    "l": 0.89944,
    "c": 0.18064,
    "h": 131.7
  },
  "luminance": 0.76406
}

Semantic roles & 50–950 ramp

primary

#B1F66F

secondary

#8639D0

accent

#01E575

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B1F66F

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

Preview Lab → · Contrast checker → · Palette generator →