#B9E359#B9E359

#B9E359 is a very light, vivid yellow-green. Relative luminance 0.660; OKLCH L 85.9% C 0.171 H 124.3°. Best body text is #000000 at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#B9E359
RGB	rgb(185, 227, 89)
HSL	hsl(78, 71%, 62%)
HSV	hsv(78, 61%, 89%)
CMYK	cmyk(18.5%, 0%, 60.8%, 11%)
CIE-LAB	lab(84.98, -33.59, 61.21)
CIE-LCH	lch(84.98, 69.82, 118.76°)
OKLab	oklab(85.9% -0.0961 0.141)
OKLCH	oklch(85.9% 0.171 124.3)
XYZ	xyz(49.2801, 65.9733, 19.5871)
Luminance	0.6597 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9E359 #8359E3

analogous

#E3C859 #B9E359 #74E359

triadic

#B9E359 #59B9E3 #E359B9

tetradic

#B9E359 #59E3C8 #8359E3 #E35974

square

#B9E359 #59E3C8 #8359E3 #E35974

split-complementary

#B9E359 #5974E3 #C859E3

monochromatic

#7CA61C #A3DA25 #B9E359 #CFEC8D #E5F5C2

Accessibility & contrast

On white

1.48

#B9E359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.19

#B9E359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9E359

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9E359	#FFFFFF	#000000	##000000
##B9E359	1.00	1.48	14.19	14.19
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.19	21.00	1.00	1.00
##000000	14.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD649

Deuteranopia (green-blind)

#E9D463

Tritanopia (blue-blind)

#C1D9C6

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b9e359;
/* rgb */ color: rgb(185, 227, 89);
/* oklch */ color: oklch(85.9% 0.171 124.3);

Tailwind

colors: {
  custom: {
    50: '#d1ec8d',
    500: '#b9e359',
    950: '#000000',
  },
}

SCSS

$custom: #b9e359;
$custom-light: #d1ec8d;
$custom-dark: #000000;

JSON

{
  "hex": "#b9e359",
  "rgb": {
    "r": 185,
    "g": 227,
    "b": 89
  },
  "hsl": {
    "h": 78.261,
    "s": 71.134,
    "l": 61.961
  },
  "oklch": {
    "l": 0.85902,
    "c": 0.1706,
    "h": 124.3
  },
  "luminance": 0.65974
}

Semantic roles & 50–950 ramp

primary

#B9E359

secondary

#5A38A8

accent

#12D34D

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B9E359

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

Preview Lab → · Contrast checker → · Palette generator →