#B1FA57#B1FA57

#B1FA57 is a very light, highly saturated yellow-green. Relative luminance 0.784; OKLCH L 90.6% C 0.204 H 130.3°. Best body text is #000000 at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#B1FA57
RGB	rgb(177, 250, 87)
HSL	hsl(87, 94%, 66%)
HSV	hsv(87, 65%, 98%)
CMYK	cmyk(29.2%, 0%, 65.2%, 2%)
CIE-LAB	lab(90.96, -46.84, 68.32)
CIE-LCH	lch(90.96, 82.83, 124.44°)
OKLab	oklab(90.62% -0.1323 0.1559)
OKLCH	oklch(90.62% 0.204 130.3)
XYZ	xyz(54.0370, 78.4048, 21.3016)
Luminance	0.7841 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1FA57 #A057FA

analogous

#FAF157 #B1FA57 #5FFA57

triadic

#B1FA57 #57B1FA #FA57B1

tetradic

#B1FA57 #57FAF1 #A057FA #FA575F

square

#B1FA57 #57FAF1 #A057FA #FA575F

split-complementary

#B1FA57 #575FFA #F157FA

monochromatic

#76D006 #95F81C #B1FA57 #CDFC92 #E8FECE

Accessibility & contrast

On white

1.26

#B1FA57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.68

#B1FA57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1FA57

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1FA57	#FFFFFF	#000000	##000000
##B1FA57	1.00	1.26	16.68	16.68
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.68	21.00	1.00	1.00
##000000	16.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE941

Deuteranopia (green-blind)

#FBE364

Tritanopia (blue-blind)

#B5F0D9

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #b1fa57;
/* rgb */ color: rgb(177, 250, 87);
/* oklch */ color: oklch(90.6% 0.204 130.3);

Tailwind

colors: {
  custom: {
    50: '#cdfc8e',
    500: '#b1fa57',
    950: '#000000',
  },
}

SCSS

$custom: #b1fa57;
$custom-light: #cdfc8e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1fa57",
  "rgb": {
    "r": 177,
    "g": 250,
    "b": 87
  },
  "hsl": {
    "h": 86.871,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.90621,
    "c": 0.20446,
    "h": 130.3
  },
  "luminance": 0.78406
}

Semantic roles & 50–950 ramp

primary

#B1FA57

secondary

#722ACB

accent

#00E667

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1FA57

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

Preview Lab → · Contrast checker → · Palette generator →