#B1EA51#B1EA51

#B1EA51 is a very light, vivid yellow-green. Relative luminance 0.688; OKLCH L 86.9% C 0.189 H 127.5°. Best body text is #000000 at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#B1EA51
RGB	rgb(177, 234, 81)
HSL	hsl(82, 78%, 62%)
HSV	hsv(82, 65%, 92%)
CMYK	cmyk(24.4%, 0%, 65.4%, 8.2%)
CIE-LAB	lab(86.40, -40.34, 65.82)
CIE-LCH	lch(86.40, 77.20, 121.51°)
OKLab	oklab(86.9% -0.1149 0.1499)
OKLCH	oklch(86.9% 0.189 127.5)
XYZ	xyz(49.0395, 68.7859, 18.4763)
Luminance	0.6879 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EA51 #8A51EA

analogous

#EAD751 #B1EA51 #65EA51

triadic

#B1EA51 #51B1EA #EA51B1

tetradic

#B1EA51 #51EAD7 #8A51EA #EA5165

square

#B1EA51 #51EAD7 #8A51EA #EA5165

split-complementary

#B1EA51 #5165EA #D751EA

monochromatic

#74AC15 #98E21B #B1EA51 #C9F188 #E2F7BE

Accessibility & contrast

On white

1.42

#B1EA51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.76

#B1EA51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EA51

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EA51	#FFFFFF	#000000	##000000
##B1EA51	1.00	1.42	14.76	14.76
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.76	21.00	1.00	1.00
##000000	14.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DB3C

Deuteranopia (green-blind)

#EDD75D

Tritanopia (blue-blind)

#B7E0CB

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #b1ea51;
/* rgb */ color: rgb(177, 234, 81);
/* oklch */ color: oklch(86.9% 0.189 127.5);

Tailwind

colors: {
  custom: {
    50: '#ccf189',
    500: '#b1ea51',
    950: '#000000',
  },
}

SCSS

$custom: #b1ea51;
$custom-light: #ccf189;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ea51",
  "rgb": {
    "r": 177,
    "g": 234,
    "b": 81
  },
  "hsl": {
    "h": 82.353,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.869,
    "c": 0.18888,
    "h": 127.5
  },
  "luminance": 0.68787
}

Semantic roles & 50–950 ramp

primary

#B1EA51

secondary

#6032AD

accent

#0BDB58

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14160C

muted

#83857F

Preview Lab

Preview with #B1EA51

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

Preview Lab → · Contrast checker → · Palette generator →