#B1F566#B1F566

#B1F566 is a very light, vivid yellow-green. Relative luminance 0.756; OKLCH L 89.6% C 0.187 H 130.7°. Best body text is #000000 at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#B1F566
RGB	rgb(177, 245, 102)
HSL	hsl(89, 88%, 68%)
HSV	hsv(89, 58%, 96%)
CMYK	cmyk(27.8%, 0%, 58.4%, 3.9%)
CIE-LAB	lab(89.68, -43.49, 60.79)
CIE-LCH	lch(89.68, 74.75, 125.58°)
OKLab	oklab(89.62% -0.1219 0.1416)
OKLCH	oklch(89.62% 0.187 130.7)
XYZ	xyz(53.1816, 75.6097, 24.3600)
Luminance	0.7561 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F566 #AA66F5

analogous

#F5F166 #B1F566 #6AF566

triadic

#B1F566 #66B1F5 #F566B1

tetradic

#B1F566 #66F5F1 #AA66F5 #F5666A

square

#B1F566 #66F5F1 #AA66F5 #F5666A

split-complementary

#B1F566 #666AF5 #F166F5

monochromatic

#75D30E #94F12D #B1F566 #CEF99F #ECFDD9

Accessibility & contrast

On white

1.30

#B1F566 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.12

#B1F566 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F566

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F566	#FFFFFF	#000000	##000000
##B1F566	1.00	1.30	16.12	16.12
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.12	21.00	1.00	1.00
##000000	16.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE556

Deuteranopia (green-blind)

#F5E070

Tritanopia (blue-blind)

#B4ECD6

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #b1f566;
/* rgb */ color: rgb(177, 245, 102);
/* oklch */ color: oklch(89.6% 0.187 130.7);

Tailwind

colors: {
  custom: {
    50: '#ccf996',
    500: '#b1f566',
    950: '#000000',
  },
}

SCSS

$custom: #b1f566;
$custom-light: #ccf996;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f566",
  "rgb": {
    "r": 177,
    "g": 245,
    "b": 102
  },
  "hsl": {
    "h": 88.531,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.89617,
    "c": 0.18687,
    "h": 130.7
  },
  "luminance": 0.75611
}

Semantic roles & 50–950 ramp

primary

#B1F566

secondary

#7C31CE

accent

#01E46D

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B1F566

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

Preview Lab → · Contrast checker → · Palette generator →