#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
RGBrgb(177, 229, 87)
HSLhsl(82, 73%, 62%)
HSVhsv(82, 62%, 90%)
CMYKcmyk(22.7%, 0%, 62%, 10.2%)
CIE-LABlab(85.03, -37.67, 61.95)
CIE-LCHlch(85.03, 72.51, 121.30°)
OKLaboklab(85.81% -0.1071 0.1425)
OKLCHoklch(85.81% 0.178 126.9)
XYZxyz(47.8711, 66.0731, 19.2463)
Luminance0.6607 (WCAG relative)
Temperaturewarm
Familyyellow-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
##B1E5571.001.4814.2114.21
#FFFFFF1.481.0021.0021.00
#00000014.2121.001.001.00
##00000014.2121.001.001.00

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 →

#B1E557 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva