#64B131#64B131

#64B131 is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 68.5% C 0.177 H 135.6°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#64B131
RGB	rgb(100, 177, 49)
HSL	hsl(96, 57%, 44%)
HSV	hsv(96, 72%, 69%)
CMYK	cmyk(43.5%, 0%, 72.3%, 30.6%)
CIE-LAB	lab(65.26, -45.45, 54.94)
CIE-LCH	lch(65.26, 71.31, 129.60°)
OKLab	oklab(68.53% -0.1267 0.124)
OKLCH	oklch(68.53% 0.177 135.6)
XYZ	xyz(21.5315, 34.3741, 8.4055)
Luminance	0.3438 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B131 #7E31B1

analogous

#A4B131 #64B131 #31B13E

triadic

#64B131 #3164B1 #B13164

tetradic

#64B131 #31A4B1 #7E31B1 #B13E31

square

#64B131 #31A4B1 #7E31B1 #B13E31

split-complementary

#64B131 #3E31B1 #B131A4

monochromatic

#2E5116 #498124 #64B131 #83CF51 #A5DC80

Accessibility & contrast

On white

2.67

#64B131 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#64B131 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B131

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B131	#FFFFFF	#000000	##000000
##64B131	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A21B

Deuteranopia (green-blind)

#AD9C3D

Tritanopia (blue-blind)

#61AA98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #64b131;
/* rgb */ color: rgb(100, 177, 49);
/* oklch */ color: oklch(68.5% 0.177 135.6);

Tailwind

colors: {
  custom: {
    50: '#96c971',
    500: '#64b131',
    950: '#000000',
  },
}

SCSS

$custom: #64b131;
$custom-light: #96c971;
$custom-dark: #000000;

JSON

{
  "hex": "#64b131",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 49
  },
  "hsl": {
    "h": 96.094,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.68529,
    "c": 0.17721,
    "h": 135.6
  },
  "luminance": 0.34375
}

Semantic roles & 50–950 ramp

primary

#64B131

secondary

#A779C5

accent

#48E0A3

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B131

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

Preview Lab → · Contrast checker → · Palette generator →