#64C728#64C728

#64C728 is a light, highly saturated yellow-green. Relative luminance 0.437; OKLCH L 74.1% C 0.208 H 136.8°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#64C728
RGB	rgb(100, 199, 40)
HSL	hsl(97, 67%, 47%)
HSV	hsv(97, 80%, 78%)
CMYK	cmyk(49.7%, 0%, 79.9%, 22%)
CIE-LAB	lab(72.03, -54.62, 64.43)
CIE-LCH	lch(72.03, 84.47, 130.29°)
OKLab	oklab(74.08% -0.1519 0.1425)
OKLCH	oklch(74.08% 0.208 136.8)
XYZ	xyz(26.0612, 43.7075, 9.0702)
Luminance	0.4371 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C728 #8B28C7

analogous

#B4C728 #64C728 #28C73B

triadic

#64C728 #2864C7 #C72864

tetradic

#64C728 #28B4C7 #8B28C7 #C73B28

square

#64C728 #28B4C7 #8B28C7 #C73B28

split-complementary

#64C728 #3B28C7 #C728B4

monochromatic

#316114 #4A941E #64C728 #85DC50 #A9E683

Accessibility & contrast

On white

2.16

#64C728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#64C728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C728

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C728	#FFFFFF	#000000	##000000
##64C728	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB600

Deuteranopia (green-blind)

#C1AE3B

Tritanopia (blue-blind)

#5EC0AA

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #64c728;
/* rgb */ color: rgb(100, 199, 40);
/* oklch */ color: oklch(74.1% 0.208 136.8);

Tailwind

colors: {
  custom: {
    50: '#99d970',
    500: '#64c728',
    950: '#000000',
  },
}

SCSS

$custom: #64c728;
$custom-light: #99d970;
$custom-dark: #000000;

JSON

{
  "hex": "#64c728",
  "rgb": {
    "r": 100,
    "g": 199,
    "b": 40
  },
  "hsl": {
    "h": 97.358,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.74079,
    "c": 0.20829,
    "h": 136.8
  },
  "luminance": 0.43709
}

Semantic roles & 50–950 ramp

primary

#64C728

secondary

#B07CCF

accent

#3EE9A9

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1508

muted

#7F837B

Preview Lab

Preview with #64C728

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

Preview Lab → · Contrast checker → · Palette generator →