#64B031#64B031

#64B031 is a light, vivid yellow-green. Relative luminance 0.340; OKLCH L 68.3% C 0.176 H 135.5°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#64B031
RGB	rgb(100, 176, 49)
HSL	hsl(96, 56%, 44%)
HSV	hsv(96, 72%, 69%)
CMYK	cmyk(43.2%, 0%, 72.2%, 31%)
CIE-LAB	lab(64.95, -45.04, 54.63)
CIE-LCH	lch(64.95, 70.80, 129.51°)
OKLab	oklab(68.27% -0.1255 0.1233)
OKLCH	oklch(68.27% 0.176 135.5)
XYZ	xyz(21.3347, 33.9805, 8.3399)
Luminance	0.3398 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B031 #7D31B0

analogous

#A3B031 #64B031 #31B03E

triadic

#64B031 #3164B0 #B03164

tetradic

#64B031 #31A3B0 #7D31B0 #B03E31

square

#64B031 #31A3B0 #7D31B0 #B03E31

split-complementary

#64B031 #3E31B0 #B031A3

monochromatic

#2E5016 #498024 #64B031 #83CE50 #A5DC80

Accessibility & contrast

On white

2.69

#64B031 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#64B031 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B031

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B031	#FFFFFF	#000000	##000000
##64B031	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A21B

Deuteranopia (green-blind)

#AC9B3D

Tritanopia (blue-blind)

#62A997

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #64b031;
/* rgb */ color: rgb(100, 176, 49);
/* oklch */ color: oklch(68.3% 0.176 135.5);

Tailwind

colors: {
  custom: {
    50: '#96c871',
    500: '#64b031',
    950: '#000000',
  },
}

SCSS

$custom: #64b031;
$custom-light: #96c871;
$custom-dark: #000000;

JSON

{
  "hex": "#64b031",
  "rgb": {
    "r": 100,
    "g": 176,
    "b": 49
  },
  "hsl": {
    "h": 95.906,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.68274,
    "c": 0.17596,
    "h": 135.5
  },
  "luminance": 0.33982
}

Semantic roles & 50–950 ramp

primary

#64B031

secondary

#A678C5

accent

#48E0A3

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B031

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

Preview Lab → · Contrast checker → · Palette generator →