#64B331#64B331

#64B331 is a light, vivid yellow-green. Relative luminance 0.352; OKLCH L 69.0% C 0.180 H 135.8°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#64B331
RGB	rgb(100, 179, 49)
HSL	hsl(96, 57%, 45%)
HSV	hsv(96, 73%, 70%)
CMYK	cmyk(44.1%, 0%, 72.6%, 29.8%)
CIE-LAB	lab(65.88, -46.27, 55.57)
CIE-LCH	lch(65.88, 72.31, 129.78°)
OKLab	oklab(69.04% -0.1289 0.1253)
OKLCH	oklch(69.04% 0.18 135.8)
XYZ	xyz(21.9295, 35.1700, 8.5381)
Luminance	0.3517 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B331 #8031B3

analogous

#A5B331 #64B331 #31B33F

triadic

#64B331 #3164B3 #B33164

tetradic

#64B331 #31A5B3 #8031B3 #B33F31

square

#64B331 #31A5B3 #8031B3 #B33F31

split-complementary

#64B331 #3F31B3 #B331A5

monochromatic

#2E5317 #498324 #64B331 #83D052 #A5DD82

Accessibility & contrast

On white

2.61

#64B331 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#64B331 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B331

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B331	#FFFFFF	#000000	##000000
##64B331	1.00	2.61	8.03	8.03
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A41A

Deuteranopia (green-blind)

#AF9E3E

Tritanopia (blue-blind)

#61AC9A

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #64b331;
/* rgb */ color: rgb(100, 179, 49);
/* oklch */ color: oklch(69.0% 0.180 135.8);

Tailwind

colors: {
  custom: {
    50: '#97ca71',
    500: '#64b331',
    950: '#000000',
  },
}

SCSS

$custom: #64b331;
$custom-light: #97ca71;
$custom-dark: #000000;

JSON

{
  "hex": "#64b331",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 49
  },
  "hsl": {
    "h": 96.462,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.6904,
    "c": 0.17971,
    "h": 135.8
  },
  "luminance": 0.35171
}

Semantic roles & 50–950 ramp

primary

#64B331

secondary

#A87AC6

accent

#48E0A4

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B331

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

Preview Lab → · Contrast checker → · Palette generator →