#B1DC31#B1DC31

#B1DC31 is a very light, vivid yellow-green. Relative luminance 0.608; OKLCH L 83.5% C 0.191 H 123.4°. Best body text is #000000 at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#B1DC31
RGB	rgb(177, 220, 49)
HSL	hsl(75, 71%, 53%)
HSV	hsv(75, 78%, 86%)
CMYK	cmyk(19.5%, 0%, 77.7%, 13.7%)
CIE-LAB	lab(82.25, -35.87, 72.71)
CIE-LCH	lch(82.25, 81.08, 116.26°)
OKLab	oklab(83.48% -0.1052 0.1596)
OKLCH	oklch(83.48% 0.191 123.4)
XYZ	xyz(44.2796, 60.7550, 12.2992)
Luminance	0.6076 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DC31 #5C31DC

analogous

#DCB231 #B1DC31 #5BDC31

triadic

#B1DC31 #31B1DC #DC31B1

tetradic

#B1DC31 #31DCB2 #5C31DC #DC315B

square

#B1DC31 #31DCB2 #5C31DC #DC315B

split-complementary

#B1DC31 #315BDC #B231DC

monochromatic

#637D15 #8DB21E #B1DC31 #C5E565 #D9EE9A

Accessibility & contrast

On white

1.60

#B1DC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.15

#B1DC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DC31

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DC31	#FFFFFF	#000000	##000000
##B1DC31	1.00	1.60	13.15	13.15
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.15	21.00	1.00	1.00
##000000	13.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9CE00

Deuteranopia (green-blind)

#E3CC42

Tritanopia (blue-blind)

#BAD1BD

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #b1dc31;
/* rgb */ color: rgb(177, 220, 49);
/* oklch */ color: oklch(83.5% 0.191 123.4);

Tailwind

colors: {
  custom: {
    50: '#cde777',
    500: '#b1dc31',
    950: '#000000',
  },
}

SCSS

$custom: #b1dc31;
$custom-light: #cde777;
$custom-dark: #000000;

JSON

{
  "hex": "#b1dc31",
  "rgb": {
    "r": 177,
    "g": 220,
    "b": 49
  },
  "hsl": {
    "h": 75.088,
    "s": 70.954,
    "l": 52.745
  },
  "oklch": {
    "l": 0.83478,
    "c": 0.19115,
    "h": 123.4
  },
  "luminance": 0.60755
}

Semantic roles & 50–950 ramp

primary

#B1DC31

secondary

#432D85

accent

#3AEE67

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14160A

muted

#83847D

Preview Lab

Preview with #B1DC31

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

Preview Lab → · Contrast checker → · Palette generator →