#64C539#64C539

#64C539 is a light, vivid green. Relative luminance 0.429; OKLCH L 73.7% C 0.197 H 137.8°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#64C539
RGB	rgb(100, 197, 57)
HSL	hsl(102, 55%, 50%)
HSV	hsv(102, 71%, 77%)
CMYK	cmyk(49.2%, 0%, 71.1%, 22.7%)
CIE-LAB	lab(71.51, -52.80, 58.33)
CIE-LCH	lch(71.51, 78.68, 132.15°)
OKLab	oklab(73.68% -0.146 0.1321)
OKLCH	oklch(73.68% 0.197 137.8)
XYZ	xyz(25.9594, 42.9354, 10.7895)
Luminance	0.4294 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C539 #9A39C5

analogous

#AAC539 #64C539 #39C554

triadic

#64C539 #3964C5 #C53964

tetradic

#64C539 #39AAC5 #9A39C5 #C55439

square

#64C539 #39AAC5 #9A39C5 #C55439

split-complementary

#64C539 #5439C5 #C539AA

monochromatic

#34661E #4C962B #64C539 #89D368 #AEE197

Accessibility & contrast

On white

2.19

#64C539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#64C539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C539

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C539	#FFFFFF	#000000	##000000
##64C539	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB422

Deuteranopia (green-blind)

#BFAC46

Tritanopia (blue-blind)

#5DBEA9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #64c539;
/* rgb */ color: rgb(100, 197, 57);
/* oklch */ color: oklch(73.7% 0.197 137.8);

Tailwind

colors: {
  custom: {
    50: '#99d778',
    500: '#64c539',
    950: '#000000',
  },
}

SCSS

$custom: #64c539;
$custom-light: #99d778;
$custom-dark: #000000;

JSON

{
  "hex": "#64c539",
  "rgb": {
    "r": 100,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 101.571,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.73681,
    "c": 0.19689,
    "h": 137.8
  },
  "luminance": 0.42937
}

Semantic roles & 50–950 ramp

primary

#64C539

secondary

#B98DCD

accent

#49DEB1

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #64C539

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

Preview Lab → · Contrast checker → · Palette generator →