#B1DB51#B1DB51

#B1DB51 is a very light, vivid yellow-green. Relative luminance 0.606; OKLCH L 83.5% C 0.170 H 124.4°. Best body text is #000000 at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#B1DB51
RGB	rgb(177, 219, 81)
HSL	hsl(78, 66%, 59%)
HSV	hsv(78, 63%, 86%)
CMYK	cmyk(19.2%, 0%, 63%, 14.1%)
CIE-LAB	lab(82.17, -33.58, 61.32)
CIE-LCH	lch(82.17, 69.91, 118.70°)
OKLab	oklab(83.48% -0.0963 0.1404)
OKLCH	oklch(83.48% 0.17 124.4)
XYZ	xyz(44.9485, 60.6038, 17.1127)
Luminance	0.6060 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DB51 #7B51DB

analogous

#DBC051 #B1DB51 #6CDB51

triadic

#B1DB51 #51B1DB #DB51B1

tetradic

#B1DB51 #51DBC0 #7B51DB #DB516C

square

#B1DB51 #51DBC0 #7B51DB #DB516C

split-complementary

#B1DB51 #516CDB #C051DB

monochromatic

#70931E #96C629 #B1DB51 #C8E584 #DEF0B6

Accessibility & contrast

On white

1.60

#B1DB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.12

#B1DB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DB51

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DB51	#FFFFFF	#000000	##000000
##B1DB51	1.00	1.60	13.12	13.12
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.12	21.00	1.00	1.00
##000000	13.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CE40

Deuteranopia (green-blind)

#E1CC5B

Tritanopia (blue-blind)

#B9D1BE

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #b1db51;
/* rgb */ color: rgb(177, 219, 81);
/* oklch */ color: oklch(83.5% 0.170 124.4);

Tailwind

colors: {
  custom: {
    50: '#cbe688',
    500: '#b1db51',
    950: '#000000',
  },
}

SCSS

$custom: #b1db51;
$custom-light: #cbe688;
$custom-dark: #000000;

JSON

{
  "hex": "#b1db51",
  "rgb": {
    "r": 177,
    "g": 219,
    "b": 81
  },
  "hsl": {
    "h": 78.261,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.83476,
    "c": 0.17022,
    "h": 124.4
  },
  "luminance": 0.60604
}

Semantic roles & 50–950 ramp

primary

#B1DB51

secondary

#553898

accent

#3FE973

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B1DB51

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

Preview Lab → · Contrast checker → · Palette generator →