#B1DB59#B1DB59

#B1DB59 is a very light, vivid yellow-green. Relative luminance 0.607; OKLCH L 83.6% C 0.164 H 124.9°. Best body text is #000000 at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#B1DB59
RGB	rgb(177, 219, 89)
HSL	hsl(79, 64%, 60%)
HSV	hsv(79, 59%, 86%)
CMYK	cmyk(19.2%, 0%, 59.4%, 14.1%)
CIE-LAB	lab(82.23, -32.96, 58.03)
CIE-LCH	lch(82.23, 66.73, 119.59°)
OKLab	oklab(83.55% -0.0938 0.1344)
OKLCH	oklch(83.55% 0.164 124.9)
XYZ	xyz(45.2663, 60.7310, 18.7867)
Luminance	0.6073 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DB59 #8359DB

analogous

#DBC459 #B1DB59 #70DB59

triadic

#B1DB59 #59B1DB #DB59B1

tetradic

#B1DB59 #59DBC4 #8359DB #DB5970

square

#B1DB59 #59DBC4 #8359DB #DB5970

split-complementary

#B1DB59 #5970DB #C459DB

monochromatic

#729921 #97CB2C #B1DB59 #C9E68B #E0F1BE

Accessibility & contrast

On white

1.60

#B1DB59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.15

#B1DB59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DB59

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DB59	#FFFFFF	#000000	##000000
##B1DB59	1.00	1.60	13.15	13.15
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.15	21.00	1.00	1.00
##000000	13.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CE4A

Deuteranopia (green-blind)

#E0CC62

Tritanopia (blue-blind)

#B8D1BF

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #b1db59;
/* rgb */ color: rgb(177, 219, 89);
/* oklch */ color: oklch(83.6% 0.164 124.9);

Tailwind

colors: {
  custom: {
    50: '#cbe68d',
    500: '#b1db59',
    950: '#000000',
  },
}

SCSS

$custom: #b1db59;
$custom-light: #cbe68d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1db59",
  "rgb": {
    "r": 177,
    "g": 219,
    "b": 89
  },
  "hsl": {
    "h": 79.385,
    "s": 64.356,
    "l": 60.392
  },
  "oklch": {
    "l": 0.83553,
    "c": 0.16389,
    "h": 124.9
  },
  "luminance": 0.60731
}

Semantic roles & 50–950 ramp

primary

#B1DB59

secondary

#5B3B9D

accent

#19CC53

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B1DB59

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

Preview Lab → · Contrast checker → · Palette generator →