#B1F66B#B1F66B

#B1F66B is a very light, vivid yellow-green. Relative luminance 0.763; OKLCH L 89.9% C 0.184 H 131.3°. Best body text is #000000 at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#B1F66B
RGB	rgb(177, 246, 107)
HSL	hsl(90, 89%, 69%)
HSV	hsv(90, 57%, 96%)
CMYK	cmyk(28%, 0%, 56.5%, 3.5%)
CIE-LAB	lab(90.01, -43.48, 59.00)
CIE-LCH	lch(90.01, 73.29, 126.39°)
OKLab	oklab(89.9% -0.1215 0.1383)
OKLCH	oklch(89.9% 0.184 131.3)
XYZ	xyz(53.7404, 76.3186, 25.8066)
Luminance	0.7632 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Lime

#AEFD6C

ΔE00 1.68

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F66B #B06BF6

analogous

#F6F56B #B1F66B #6CF66B

triadic

#B1F66B #6BB1F6 #F66BB1

tetradic

#B1F66B #6BF6F5 #B06BF6 #F66B6C

square

#B1F66B #6BF6F5 #B06BF6 #F66B6C

split-complementary

#B1F66B #6B6CF6 #F56BF6

monochromatic

#74D90D #93F231 #B1F66B #CFFAA5 #EEFDDE

Accessibility & contrast

On white

1.29

#B1F66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.26

#B1F66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F66B

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F66B	#FFFFFF	#000000	##000000
##B1F66B	1.00	1.29	16.26	16.26
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.26	21.00	1.00	1.00
##000000	16.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE65D

Deuteranopia (green-blind)

#F6E175

Tritanopia (blue-blind)

#B4EDD8

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b1f66b;
/* rgb */ color: rgb(177, 246, 107);
/* oklch */ color: oklch(89.9% 0.184 131.3);

Tailwind

colors: {
  custom: {
    50: '#ccf999',
    500: '#b1f66b',
    950: '#000000',
  },
}

SCSS

$custom: #b1f66b;
$custom-light: #ccf999;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f66b",
  "rgb": {
    "r": 177,
    "g": 246,
    "b": 107
  },
  "hsl": {
    "h": 89.784,
    "s": 88.535,
    "l": 69.216
  },
  "oklch": {
    "l": 0.89899,
    "c": 0.18405,
    "h": 131.3
  },
  "luminance": 0.7632
}

Semantic roles & 50–950 ramp

primary

#B1F66B

secondary

#8236D0

accent

#00E572

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B1F66B

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

Preview Lab → · Contrast checker → · Palette generator →