#B1FC54#B1FC54

#B1FC54 is a very light, highly saturated yellow-green. Relative luminance 0.796; OKLCH L 91.1% C 0.209 H 130.4°. Best body text is #000000 at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#B1FC54
RGB	rgb(177, 252, 84)
HSL	hsl(87, 97%, 66%)
HSV	hsv(87, 67%, 99%)
CMYK	cmyk(29.8%, 0%, 66.7%, 1.2%)
CIE-LAB	lab(91.51, -47.90, 70.03)
CIE-LCH	lch(91.51, 84.84, 124.37°)
OKLab	oklab(91.06% -0.1354 0.1591)
OKLCH	oklch(91.06% 0.209 130.4)
XYZ	xyz(54.5417, 79.6063, 20.8777)
Luminance	0.7961 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1FC54 #9F54FC

analogous

#FCF354 #B1FC54 #5DFC54

triadic

#B1FC54 #54B1FC #FC54B1

tetradic

#B1FC54 #54FCF3 #9F54FC #FC545D

square

#B1FC54 #54FCF3 #9F54FC #FC545D

split-complementary

#B1FC54 #545DFC #F354FC

monochromatic

#76D204 #96FB18 #B1FC54 #CCFD90 #E8FECC

Accessibility & contrast

On white

1.24

#B1FC54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.92

#B1FC54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1FC54

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1FC54	#FFFFFF	#000000	##000000
##B1FC54	1.00	1.24	16.92	16.92
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.92	21.00	1.00	1.00
##000000	16.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA3C

Deuteranopia (green-blind)

#FDE562

Tritanopia (blue-blind)

#B5F2DA

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #b1fc54;
/* rgb */ color: rgb(177, 252, 84);
/* oklch */ color: oklch(91.1% 0.209 130.4);

Tailwind

colors: {
  custom: {
    50: '#cdfd8c',
    500: '#b1fc54',
    950: '#000000',
  },
}

SCSS

$custom: #b1fc54;
$custom-light: #cdfd8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1fc54",
  "rgb": {
    "r": 177,
    "g": 252,
    "b": 84
  },
  "hsl": {
    "h": 86.786,
    "s": 96.552,
    "l": 65.882
  },
  "oklch": {
    "l": 0.91056,
    "c": 0.20894,
    "h": 130.4
  },
  "luminance": 0.79608
}

Semantic roles & 50–950 ramp

primary

#B1FC54

secondary

#7128CD

accent

#00E666

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1FC54

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

Preview Lab → · Contrast checker → · Palette generator →