#B1DE49#B1DE49

#B1DE49 is a very light, vivid yellow-green. Relative luminance 0.621; OKLCH L 84.1% C 0.180 H 124.7°. Best body text is #000000 at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#B1DE49
RGB	rgb(177, 222, 73)
HSL	hsl(78, 69%, 58%)
HSV	hsv(78, 67%, 87%)
CMYK	cmyk(20.3%, 0%, 67.1%, 12.9%)
CIE-LAB	lab(82.95, -35.50, 65.31)
CIE-LCH	lch(82.95, 74.34, 118.53°)
OKLab	oklab(84.09% -0.1023 0.1477)
OKLCH	oklch(84.09% 0.18 124.7)
XYZ	xyz(45.4557, 62.0702, 15.8880)
Luminance	0.6207 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DE49 #7649DE

analogous

#DEC149 #B1DE49 #66DE49

triadic

#B1DE49 #49B1DE #DE49B1

tetradic

#B1DE49 #49DEC1 #7649DE #DE4966

square

#B1DE49 #49DEC1 #7649DE #DE4966

split-complementary

#B1DE49 #4966DE #C149DE

monochromatic

#6E921A #95C624 #B1DE49 #C7E77D #DDF1B1

Accessibility & contrast

On white

1.57

#B1DE49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.41

#B1DE49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DE49

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DE49	#FFFFFF	#000000	##000000
##B1DE49	1.00	1.57	13.41	13.41
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.41	21.00	1.00	1.00
##000000	13.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD033

Deuteranopia (green-blind)

#E4CE55

Tritanopia (blue-blind)

#B9D4C0

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #b1de49;
/* rgb */ color: rgb(177, 222, 73);
/* oklch */ color: oklch(84.1% 0.180 124.7);

Tailwind

colors: {
  custom: {
    50: '#cce883',
    500: '#b1de49',
    950: '#000000',
  },
}

SCSS

$custom: #b1de49;
$custom-light: #cce883;
$custom-dark: #000000;

JSON

{
  "hex": "#b1de49",
  "rgb": {
    "r": 177,
    "g": 222,
    "b": 73
  },
  "hsl": {
    "h": 78.121,
    "s": 69.302,
    "l": 57.843
  },
  "oklch": {
    "l": 0.84091,
    "c": 0.17968,
    "h": 124.7
  },
  "luminance": 0.62071
}

Semantic roles & 50–950 ramp

primary

#B1DE49

secondary

#523497

accent

#3CEC71

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B1DE49

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

Preview Lab → · Contrast checker → · Palette generator →