#64BB31#64BB31

#64BB31 is a light, vivid yellow-green. Relative luminance 0.385; OKLCH L 71.1% C 0.190 H 136.5°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#64BB31
RGB	rgb(100, 187, 49)
HSL	hsl(98, 58%, 46%)
HSV	hsv(98, 74%, 73%)
CMYK	cmyk(46.5%, 0%, 73.8%, 26.7%)
CIE-LAB	lab(68.37, -49.47, 58.05)
CIE-LCH	lch(68.37, 76.27, 130.44°)
OKLab	oklab(71.08% -0.1375 0.1305)
OKLCH	oklch(71.08% 0.19 136.5)
XYZ	xyz(23.5796, 38.4702, 9.0881)
Luminance	0.3847 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BB31 #8831BB

analogous

#A9BB31 #64BB31 #31BB43

triadic

#64BB31 #3164BB #BB3164

tetradic

#64BB31 #31A9BB #8831BB #BB4331

square

#64BB31 #31A9BB #8831BB #BB4331

split-complementary

#64BB31 #4331BB #BB31A9

monochromatic

#305A18 #4A8B24 #64BB31 #84D356 #A8E087

Accessibility & contrast

On white

2.42

#64BB31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.69

#64BB31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BB31

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BB31	#FFFFFF	#000000	##000000
##64BB31	1.00	2.42	8.69	8.69
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.69	21.00	1.00	1.00
##000000	8.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB16

Deuteranopia (green-blind)

#B6A43F

Tritanopia (blue-blind)

#60B4A0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #64bb31;
/* rgb */ color: rgb(100, 187, 49);
/* oklch */ color: oklch(71.1% 0.190 136.5);

Tailwind

colors: {
  custom: {
    50: '#98d072',
    500: '#64bb31',
    950: '#000000',
  },
}

SCSS

$custom: #64bb31;
$custom-light: #98d072;
$custom-dark: #000000;

JSON

{
  "hex": "#64bb31",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 49
  },
  "hsl": {
    "h": 97.826,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.71079,
    "c": 0.18955,
    "h": 136.5
  },
  "luminance": 0.38472
}

Semantic roles & 50–950 ramp

primary

#64BB31

secondary

#AE7FC9

accent

#46E2A8

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #64BB31

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

Preview Lab → · Contrast checker → · Palette generator →