#64C631#64C631

#64C631 is a light, highly saturated yellow-green. Relative luminance 0.433; OKLCH L 73.9% C 0.203 H 137.3°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#64C631
RGB	rgb(100, 198, 49)
HSL	hsl(99, 60%, 48%)
HSV	hsv(99, 75%, 78%)
CMYK	cmyk(49.5%, 0%, 75.3%, 22.4%)
CIE-LAB	lab(71.77, -53.73, 61.41)
CIE-LCH	lch(71.77, 81.59, 131.19°)
OKLab	oklab(73.88% -0.149 0.1375)
OKLCH	oklch(73.88% 0.203 137.3)
XYZ	xyz(26.0032, 43.3174, 9.8960)
Luminance	0.4332 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C631 #9331C6

analogous

#AEC631 #64C631 #31C648

triadic

#64C631 #3164C6 #C63164

tetradic

#64C631 #31AEC6 #9331C6 #C64831

square

#64C631 #31AEC6 #9331C6 #C64831

split-complementary

#64C631 #4831C6 #C631AE

monochromatic

#326419 #4B9525 #64C631 #87D75D #ABE38E

Accessibility & contrast

On white

2.17

#64C631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#64C631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C631

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C631	#FFFFFF	#000000	##000000
##64C631	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB50F

Deuteranopia (green-blind)

#C0AD41

Tritanopia (blue-blind)

#5EBFAA

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64c631;
/* rgb */ color: rgb(100, 198, 49);
/* oklch */ color: oklch(73.9% 0.203 137.3);

Tailwind

colors: {
  custom: {
    50: '#99d874',
    500: '#64c631',
    950: '#000000',
  },
}

SCSS

$custom: #64c631;
$custom-light: #99d874;
$custom-dark: #000000;

JSON

{
  "hex": "#64c631",
  "rgb": {
    "r": 100,
    "g": 198,
    "b": 49
  },
  "hsl": {
    "h": 99.463,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.73877,
    "c": 0.20271,
    "h": 137.3
  },
  "luminance": 0.43319
}

Semantic roles & 50–950 ramp

primary

#64C631

secondary

#B585CE

accent

#44E3AD

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1409

muted

#7F837B

Preview Lab

Preview with #64C631

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

Preview Lab → · Contrast checker → · Palette generator →