#B1E557#B1E557

#B1E557 is a very light, vivid yellow-green. Relative luminance 0.661; OKLCH L 85.8% C 0.178 H 126.9°. Best body text is #000000 at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#B1E557
RGB	rgb(177, 229, 87)
HSL	hsl(82, 73%, 62%)
HSV	hsv(82, 62%, 90%)
CMYK	cmyk(22.7%, 0%, 62%, 10.2%)
CIE-LAB	lab(85.03, -37.67, 61.95)
CIE-LCH	lch(85.03, 72.51, 121.30°)
OKLab	oklab(85.81% -0.1071 0.1425)
OKLCH	oklch(85.81% 0.178 126.9)
XYZ	xyz(47.8711, 66.0731, 19.2463)
Luminance	0.6607 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E557 #8B57E5

analogous

#E5D257 #B1E557 #6AE557

triadic

#B1E557 #57B1E5 #E557B1

tetradic

#B1E557 #57E5D2 #8B57E5 #E5576A

square

#B1E557 #57E5D2 #8B57E5 #E5576A

split-complementary

#B1E557 #576AE5 #D257E5

monochromatic

#74A81A #98DD22 #B1E557 #CAED8C #E2F5C1

Accessibility & contrast

On white

1.48

#B1E557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.21

#B1E557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E557

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E557	#FFFFFF	#000000	##000000
##B1E557	1.00	1.48	14.21	14.21
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.21	21.00	1.00	1.00
##000000	14.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D646

Deuteranopia (green-blind)

#E9D361

Tritanopia (blue-blind)

#B7DBC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b1e557;
/* rgb */ color: rgb(177, 229, 87);
/* oklch */ color: oklch(85.8% 0.178 126.9);

Tailwind

colors: {
  custom: {
    50: '#cced8c',
    500: '#b1e557',
    950: '#000000',
  },
}

SCSS

$custom: #b1e557;
$custom-light: #cced8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e557",
  "rgb": {
    "r": 177,
    "g": 229,
    "b": 87
  },
  "hsl": {
    "h": 81.972,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.85811,
    "c": 0.17822,
    "h": 126.9
  },
  "luminance": 0.66074
}

Semantic roles & 50–950 ramp

primary

#B1E557

secondary

#6137AA

accent

#10D558

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14160C

muted

#83857F

Preview Lab

Preview with #B1E557

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

Preview Lab → · Contrast checker → · Palette generator →