#64B31A#64B31A

#64B31A is a light, vivid yellow-green. Relative luminance 0.350; OKLCH L 68.9% C 0.191 H 134.4°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#64B31A
RGB	rgb(100, 179, 26)
HSL	hsl(91, 75%, 40%)
HSV	hsv(91, 85%, 70%)
CMYK	cmyk(44.1%, 0%, 85.5%, 29.8%)
CIE-LAB	lab(65.77, -47.50, 62.41)
CIE-LCH	lch(65.77, 78.43, 127.27°)
OKLab	oklab(68.91% -0.1335 0.1363)
OKLCH	oklch(68.91% 0.191 134.4)
XYZ	xyz(21.5617, 35.0229, 6.6010)
Luminance	0.3502 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B31A #691AB3

analogous

#B1B31A #64B31A #1AB31C

triadic

#64B31A #1A64B3 #B31A64

tetradic

#64B31A #1AB1B3 #691AB3 #B31C1A

square

#64B31A #1AB1B3 #691AB3 #B31C1A

split-complementary

#64B31A #1C1AB3 #B31AB1

monochromatic

#28480A #467E12 #64B31A #82E02A #A1E860

Accessibility & contrast

On white

2.62

#64B31A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#64B31A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B31A

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B31A	#FFFFFF	#000000	##000000
##64B31A	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#B09D2E

Tritanopia (blue-blind)

#63AC98

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #64b31a;
/* rgb */ color: rgb(100, 179, 26);
/* oklch */ color: oklch(68.9% 0.191 134.4);

Tailwind

colors: {
  custom: {
    50: '#98ca68',
    500: '#64b31a',
    950: '#000000',
  },
}

SCSS

$custom: #64b31a;
$custom-light: #98ca68;
$custom-dark: #000000;

JSON

{
  "hex": "#64b31a",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 26
  },
  "hsl": {
    "h": 90.98,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.68909,
    "c": 0.19079,
    "h": 134.4
  },
  "luminance": 0.35024
}

Semantic roles & 50–950 ramp

primary

#64B31A

secondary

#965DCC

accent

#37F197

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #64B31A

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

Preview Lab → · Contrast checker → · Palette generator →