#B1DB63#B1DB63

#B1DB63 is a very light, vivid yellow-green. Relative luminance 0.609; OKLCH L 83.7% C 0.155 H 125.7°. Best body text is #000000 at 13.18:1 contrast (WCAG AA passes).

Color values

HEX#B1DB63
RGBrgb(177, 219, 99)
HSLhsl(81, 63%, 62%)
HSVhsv(81, 55%, 86%)
CMYKcmyk(19.2%, 0%, 54.8%, 14.1%)
CIE-LABlab(82.33, -32.09, 53.71)
CIE-LCHlch(82.33, 62.56, 120.86°)
OKLaboklab(83.66% -0.0905 0.1261)
OKLCHoklch(83.66% 0.155 125.7)
XYZxyz(45.7151, 60.9105, 21.1504)
Luminance0.6091 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1DB63 #8D63DB
analogous
#DBC963 #B1DB63 #75DB63
triadic
#B1DB63 #63B1DB #DB63B1
tetradic
#B1DB63 #63DBC9 #8D63DB #DB6375
square
#B1DB63 #63DBC9 #8D63DB #DB6375
split-complementary
#B1DB63 #6375DB #C963DB
monochromatic
#749F25 #98D031 #B1DB63 #CAE695 #E3F2C6

Accessibility & contrast

On white

1.59
#B1DB63 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.18
#B1DB63 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DB63
13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1DB63#FFFFFF#000000##000000
##B1DB631.001.5913.1813.18
#FFFFFF1.591.0021.0021.00
#00000013.1821.001.001.00
##00000013.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#E5CE57
Deuteranopia (green-blind)
#E0CC6B
Tritanopia (blue-blind)
#B7D2C0
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #b1db63;
/* rgb */ color: rgb(177, 219, 99);
/* oklch */ color: oklch(83.7% 0.155 125.7);
Tailwind
colors: {
  custom: {
    50: '#cbe693',
    500: '#b1db63',
    950: '#000000',
  },
}
SCSS
$custom: #b1db63;
$custom-light: #cbe693;
$custom-dark: #000000;
JSON
{
  "hex": "#b1db63",
  "rgb": {
    "r": 177,
    "g": 219,
    "b": 99
  },
  "hsl": {
    "h": 81,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.83663,
    "c": 0.15526,
    "h": 125.7
  },
  "luminance": 0.60911
}

Semantic roles & 50–950 ramp

primary
#B1DB63
secondary
#6240A3
accent
#1BCA59
background
#FEFEFC
surface
#FBFCF4
border
#D4D5CE
text
#14160D
muted
#83847F

Preview Lab

Preview with #B1DB63

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

Preview Lab → · Contrast checker → · Palette generator →

#B1DB63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva