#B1DB45#B1DB45

#B1DB45 is a very light, vivid yellow-green. Relative luminance 0.604; OKLCH L 83.4% C 0.179 H 123.9°. Best body text is #000000 at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#B1DB45
RGB	rgb(177, 219, 69)
HSL	hsl(77, 68%, 56%)
HSV	hsv(77, 68%, 86%)
CMYK	cmyk(19.2%, 0%, 68.5%, 14.1%)
CIE-LAB	lab(82.08, -34.38, 65.92)
CIE-LCH	lch(82.08, 74.35, 117.55°)
OKLab	oklab(83.38% -0.0996 0.1484)
OKLCH	oklch(83.38% 0.179 123.9)
XYZ	xyz(44.5376, 60.4395, 14.9487)
Luminance	0.6044 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DB45 #6F45DB

analogous

#DBBA45 #B1DB45 #66DB45

triadic

#B1DB45 #45B1DB #DB45B1

tetradic

#B1DB45 #45DBBA #6F45DB #DB4566

square

#B1DB45 #45DBBA #6F45DB #DB4566

split-complementary

#B1DB45 #4566DB #BA45DB

monochromatic

#6B8B1B #93BE25 #B1DB45 #C7E578 #DCEFAC

Accessibility & contrast

On white

1.60

#B1DB45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.09

#B1DB45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DB45

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DB45	#FFFFFF	#000000	##000000
##B1DB45	1.00	1.60	13.09	13.09
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.09	21.00	1.00	1.00
##000000	13.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD2E

Deuteranopia (green-blind)

#E2CC51

Tritanopia (blue-blind)

#B9D0BD

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #b1db45;
/* rgb */ color: rgb(177, 219, 69);
/* oklch */ color: oklch(83.4% 0.179 123.9);

Tailwind

colors: {
  custom: {
    50: '#cce681',
    500: '#b1db45',
    950: '#000000',
  },
}

SCSS

$custom: #b1db45;
$custom-light: #cce681;
$custom-dark: #000000;

JSON

{
  "hex": "#b1db45",
  "rgb": {
    "r": 177,
    "g": 219,
    "b": 69
  },
  "hsl": {
    "h": 76.8,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.83376,
    "c": 0.17873,
    "h": 123.9
  },
  "luminance": 0.6044
}

Semantic roles & 50–950 ramp

primary

#B1DB45

secondary

#4E3491

accent

#3DEA6E

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B1DB45

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

Preview Lab → · Contrast checker → · Palette generator →