#B1DF49#B1DF49

#B1DF49 is a very light, vivid yellow-green. Relative luminance 0.626; OKLCH L 84.3% C 0.181 H 124.9°. Best body text is #000000 at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#B1DF49
RGB	rgb(177, 223, 73)
HSL	hsl(78, 70%, 58%)
HSV	hsv(78, 67%, 87%)
CMYK	cmyk(20.6%, 0%, 67.3%, 12.5%)
CIE-LAB	lab(83.23, -35.96, 65.60)
CIE-LCH	lch(83.23, 74.81, 118.73°)
OKLab	oklab(84.32% -0.1036 0.1483)
OKLCH	oklch(84.32% 0.181 124.9)
XYZ	xyz(45.7220, 62.6030, 15.9768)
Luminance	0.6260 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DF49 #7749DF

analogous

#DFC249 #B1DF49 #66DF49

triadic

#B1DF49 #49B1DF #DF49B1

tetradic

#B1DF49 #49DFC2 #7749DF #DF4966

square

#B1DF49 #49DFC2 #7749DF #DF4966

split-complementary

#B1DF49 #4966DF #C249DF

monochromatic

#6E941A #95C823 #B1DF49 #C7E87D #DEF1B1

Accessibility & contrast

On white

1.55

#B1DF49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.52

#B1DF49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DF49

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DF49	#FFFFFF	#000000	##000000
##B1DF49	1.00	1.55	13.52	13.52
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.52	21.00	1.00	1.00
##000000	13.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD133

Deuteranopia (green-blind)

#E5CF55

Tritanopia (blue-blind)

#B9D5C1

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #b1df49;
/* rgb */ color: rgb(177, 223, 73);
/* oklch */ color: oklch(84.3% 0.181 124.9);

Tailwind

colors: {
  custom: {
    50: '#cce984',
    500: '#b1df49',
    950: '#000000',
  },
}

SCSS

$custom: #b1df49;
$custom-light: #cce984;
$custom-dark: #000000;

JSON

{
  "hex": "#b1df49",
  "rgb": {
    "r": 177,
    "g": 223,
    "b": 73
  },
  "hsl": {
    "h": 78.4,
    "s": 70.093,
    "l": 58.039
  },
  "oklch": {
    "l": 0.8432,
    "c": 0.1809,
    "h": 124.9
  },
  "luminance": 0.62604
}

Semantic roles & 50–950 ramp

primary

#B1DF49

secondary

#533498

accent

#3BED71

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B1DF49

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

Preview Lab → · Contrast checker → · Palette generator →