#64B231#64B231

#64B231 is a light, vivid yellow-green. Relative luminance 0.348; OKLCH L 68.8% C 0.178 H 135.7°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#64B231
RGB	rgb(100, 178, 49)
HSL	hsl(96, 57%, 45%)
HSV	hsv(96, 72%, 70%)
CMYK	cmyk(43.8%, 0%, 72.5%, 30.2%)
CIE-LAB	lab(65.57, -45.86, 55.26)
CIE-LCH	lch(65.57, 71.81, 129.69°)
OKLab	oklab(68.78% -0.1277 0.1246)
OKLCH	oklch(68.78% 0.178 135.7)
XYZ	xyz(21.7298, 34.7706, 8.4715)
Luminance	0.3477 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B231 #7F31B2

analogous

#A5B231 #64B231 #31B23F

triadic

#64B231 #3164B2 #B23164

tetradic

#64B231 #31A5B2 #7F31B2 #B23F31

square

#64B231 #31A5B2 #7F31B2 #B23F31

split-complementary

#64B231 #3F31B2 #B231A5

monochromatic

#2E5217 #498224 #64B231 #83CF51 #A5DC81

Accessibility & contrast

On white

2.64

#64B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#64B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B231

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B231	#FFFFFF	#000000	##000000
##64B231	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A31A

Deuteranopia (green-blind)

#AE9D3D

Tritanopia (blue-blind)

#61AB99

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #64b231;
/* rgb */ color: rgb(100, 178, 49);
/* oklch */ color: oklch(68.8% 0.178 135.7);

Tailwind

colors: {
  custom: {
    50: '#97c971',
    500: '#64b231',
    950: '#000000',
  },
}

SCSS

$custom: #64b231;
$custom-light: #97c971;
$custom-dark: #000000;

JSON

{
  "hex": "#64b231",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 96.279,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.68784,
    "c": 0.17846,
    "h": 135.7
  },
  "luminance": 0.34772
}

Semantic roles & 50–950 ramp

primary

#64B231

secondary

#A779C5

accent

#48E0A4

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B231

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

Preview Lab → · Contrast checker → · Palette generator →