#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
RGB	rgb(177, 220, 57)
HSL	hsl(76, 70%, 54%)
HSV	hsv(76, 74%, 86%)
CMYK	cmyk(19.5%, 0%, 74.1%, 13.7%)
CIE-LAB	lab(82.29, -35.51, 70.30)
CIE-LCH	lch(82.29, 78.76, 116.80°)
OKLab	oklab(83.52% -0.1036 0.1558)
OKLCH	oklch(83.52% 0.187 123.6)
XYZ	xyz(44.4637, 60.8286, 13.2687)
Luminance	0.6083 (WCAG relative)
Temperature	warm
Family	yellow-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
##B1DC39	1.00	1.60	13.17	13.17
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.17	21.00	1.00	1.00
##000000	13.17	21.00	1.00	1.00

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 →