#64B321#64B321

#64B321 is a light, vivid yellow-green. Relative luminance 0.351; OKLCH L 68.9% C 0.188 H 134.7°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#64B321
RGB	rgb(100, 179, 33)
HSL	hsl(92, 69%, 42%)
HSV	hsv(92, 82%, 70%)
CMYK	cmyk(44.1%, 0%, 81.6%, 29.8%)
CIE-LAB	lab(65.79, -47.20, 60.66)
CIE-LCH	lch(65.79, 76.86, 127.89°)
OKLab	oklab(68.94% -0.1324 0.1336)
OKLCH	oklch(68.94% 0.188 134.7)
XYZ	xyz(21.6497, 35.0581, 7.0647)
Luminance	0.3506 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B321 #7021B3

analogous

#ADB321 #64B321 #21B327

triadic

#64B321 #2164B3 #B32164

tetradic

#64B321 #21ADB3 #7021B3 #B32721

square

#64B321 #21ADB3 #7021B3 #B32721

split-complementary

#64B321 #2721B3 #B321AD

monochromatic

#2A4C0E #477F17 #64B321 #82DA37 #A2E46B

Accessibility & contrast

On white

2.62

#64B321 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.01

#64B321 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B321

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B321	#FFFFFF	#000000	##000000
##64B321	1.00	2.62	8.01	8.01
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.01	21.00	1.00	1.00
##000000	8.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#AF9E33

Tritanopia (blue-blind)

#62AC99

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #64b321;
/* rgb */ color: rgb(100, 179, 33);
/* oklch */ color: oklch(68.9% 0.188 134.7);

Tailwind

colors: {
  custom: {
    50: '#97ca6a',
    500: '#64b321',
    950: '#000000',
  },
}

SCSS

$custom: #64b321;
$custom-light: #97ca6a;
$custom-dark: #000000;

JSON

{
  "hex": "#64b321",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 33
  },
  "hsl": {
    "h": 92.466,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68941,
    "c": 0.18806,
    "h": 134.7
  },
  "luminance": 0.35059
}

Semantic roles & 50–950 ramp

primary

#64B321

secondary

#9C66CA

accent

#3CEC9B

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #64B321

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

Preview Lab → · Contrast checker → · Palette generator →