#B9DD59#B9DD59

#B9DD59 is a very light, vivid yellow-green. Relative luminance 0.627; OKLCH L 84.6% C 0.163 H 122.8°. Best body text is #000000 at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#B9DD59
RGB	rgb(185, 221, 89)
HSL	hsl(76, 66%, 61%)
HSV	hsv(76, 60%, 87%)
CMYK	cmyk(16.3%, 0%, 59.7%, 13.3%)
CIE-LAB	lab(83.31, -30.81, 59.36)
CIE-LCH	lch(83.31, 66.88, 117.43°)
OKLab	oklab(84.55% -0.0883 0.1371)
OKLCH	oklch(84.55% 0.163 122.8)
XYZ	xyz(47.6676, 62.7483, 19.0496)
Luminance	0.6275 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9DD59 #7D59DD

analogous

#DDBF59 #B9DD59 #77DD59

triadic

#B9DD59 #59B9DD #DD59B9

tetradic

#B9DD59 #59DDBF #7D59DD #DD5977

square

#B9DD59 #59DDBF #7D59DD #DD5977

split-complementary

#B9DD59 #5977DD #BF59DD

monochromatic

#7A9C20 #A2CF2A #B9DD59 #CEE78C #E4F2BF

Accessibility & contrast

On white

1.55

#B9DD59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.55

#B9DD59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9DD59

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9DD59	#FFFFFF	#000000	##000000
##B9DD59	1.00	1.55	13.55	13.55
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.55	21.00	1.00	1.00
##000000	13.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D04A

Deuteranopia (green-blind)

#E4CF62

Tritanopia (blue-blind)

#C1D3C1

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #b9dd59;
/* rgb */ color: rgb(185, 221, 89);
/* oklch */ color: oklch(84.6% 0.163 122.8);

Tailwind

colors: {
  custom: {
    50: '#d1e78d',
    500: '#b9dd59',
    950: '#000000',
  },
}

SCSS

$custom: #b9dd59;
$custom-light: #d1e78d;
$custom-dark: #000000;

JSON

{
  "hex": "#b9dd59",
  "rgb": {
    "r": 185,
    "g": 221,
    "b": 89
  },
  "hsl": {
    "h": 76.364,
    "s": 66,
    "l": 60.784
  },
  "oklch": {
    "l": 0.84553,
    "c": 0.16307,
    "h": 122.8
  },
  "luminance": 0.62748
}

Semantic roles & 50–950 ramp

primary

#B9DD59

secondary

#563BA0

accent

#18CE49

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B9DD59

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

Preview Lab → · Contrast checker → · Palette generator →