#B1DC39#B1DC39

#B1DC39 is a very light, vivid yellow-green. Relative luminance 0.608; OKLCH L 83.5% C 0.187 H 123.6°. Best body text is #000000 at 13.17:1 contrast (WCAG AA passes).

Color values

HEX#B1DC39
RGBrgb(177, 220, 57)
HSLhsl(76, 70%, 54%)
HSVhsv(76, 74%, 86%)
CMYKcmyk(19.5%, 0%, 74.1%, 13.7%)
CIE-LABlab(82.29, -35.51, 70.30)
CIE-LCHlch(82.29, 78.76, 116.80°)
OKLaboklab(83.52% -0.1036 0.1558)
OKLCHoklch(83.52% 0.187 123.6)
XYZxyz(44.4637, 60.8286, 13.2687)
Luminance0.6083 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1DC39 #6439DC
analogous
#DCB539 #B1DC39 #60DC39
triadic
#B1DC39 #39B1DC #DC39B1
tetradic
#B1DC39 #39DCB5 #6439DC #DC3960
square
#B1DC39 #39DCB5 #6439DC #DC3960
split-complementary
#B1DC39 #3960DC #B539DC
monochromatic
#678317 #90B720 #B1DC39 #C5E56D #DAEEA1

Accessibility & contrast

On white

1.60
#B1DC39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.17
#B1DC39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DC39
13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1DC39#FFFFFF#000000##000000
##B1DC391.001.6013.1713.17
#FFFFFF1.601.0021.0021.00
#00000013.1721.001.001.00
##00000013.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9CE14
Deuteranopia (green-blind)
#E3CC48
Tritanopia (blue-blind)
#BAD1BD
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #b1dc39;
/* rgb */ color: rgb(177, 220, 57);
/* oklch */ color: oklch(83.5% 0.187 123.6);
Tailwind
colors: {
  custom: {
    50: '#cce77b',
    500: '#b1dc39',
    950: '#000000',
  },
}
SCSS
$custom: #b1dc39;
$custom-light: #cce77b;
$custom-dark: #000000;
JSON
{
  "hex": "#b1dc39",
  "rgb": {
    "r": 177,
    "g": 220,
    "b": 57
  },
  "hsl": {
    "h": 75.828,
    "s": 69.957,
    "l": 54.314
  },
  "oklch": {
    "l": 0.83522,
    "c": 0.18711,
    "h": 123.6
  },
  "luminance": 0.60829
}

Semantic roles & 50–950 ramp

primary
#B1DC39
secondary
#472F8A
accent
#3BED6A
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14160A
muted
#83847D

Preview Lab

Preview with #B1DC39

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

Preview Lab → · Contrast checker → · Palette generator →

#B1DC39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva