#B1D045#B1D045

#B1D045 is a light, vivid yellow-green. Relative luminance 0.549; OKLCH L 80.9% C 0.166 H 121.1°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#B1D045
RGB	rgb(177, 208, 69)
HSL	hsl(73, 60%, 54%)
HSV	hsv(73, 67%, 82%)
CMYK	cmyk(14.9%, 0%, 66.8%, 18.4%)
CIE-LAB	lab(78.98, -29.27, 62.75)
CIE-LCH	lch(78.98, 69.24, 115.00°)
OKLab	oklab(80.88% -0.0854 0.1418)
OKLCH	oklch(80.88% 0.166 121.1)
XYZ	xyz(41.7621, 54.8886, 14.0235)
Luminance	0.5489 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D045 #6445D0

analogous

#D0AA45 #B1D045 #6CD045

triadic

#B1D045 #45B1D0 #D045B1

tetradic

#B1D045 #45D0AA #6445D0 #D0456C

square

#B1D045 #45D0AA #6445D0 #D0456C

split-complementary

#B1D045 #456CD0 #AA45D0

monochromatic

#677B1F #90AC2C #B1D045 #C5DC76 #DAE9A7

Accessibility & contrast

On white

1.75

#B1D045 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#B1D045 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D045

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D045	#FFFFFF	#000000	##000000
##B1D045	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC431

Deuteranopia (green-blind)

#D9C450

Tritanopia (blue-blind)

#BAC5B4

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b1d045;
/* rgb */ color: rgb(177, 208, 69);
/* oklch */ color: oklch(80.9% 0.166 121.1);

Tailwind

colors: {
  custom: {
    50: '#cbde80',
    500: '#b1d045',
    950: '#000000',
  },
}

SCSS

$custom: #b1d045;
$custom-light: #cbde80;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d045",
  "rgb": {
    "r": 177,
    "g": 208,
    "b": 69
  },
  "hsl": {
    "h": 73.381,
    "s": 59.657,
    "l": 54.314
  },
  "oklch": {
    "l": 0.80875,
    "c": 0.16551,
    "h": 121.1
  },
  "luminance": 0.54889
}

Semantic roles & 50–950 ramp

primary

#B1D045

secondary

#473683

accent

#45E368

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D045

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

Preview Lab → · Contrast checker → · Palette generator →