#64B228#64B228

#64B228 is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 68.7% C 0.184 H 135.1°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#64B228
RGB	rgb(100, 178, 40)
HSL	hsl(94, 63%, 43%)
HSV	hsv(94, 78%, 70%)
CMYK	cmyk(43.8%, 0%, 77.5%, 30.2%)
CIE-LAB	lab(65.52, -46.44, 58.31)
CIE-LCH	lch(65.52, 74.54, 128.53°)
OKLab	oklab(68.72% -0.1299 0.1297)
OKLCH	oklch(68.72% 0.184 135.1)
XYZ	xyz(21.5584, 34.7021, 7.5693)
Luminance	0.3470 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B228 #7628B2

analogous

#A9B228 #64B228 #28B231

triadic

#64B228 #2864B2 #B22864

tetradic

#64B228 #28A9B2 #7628B2 #B23128

square

#64B228 #28A9B2 #7628B2 #B23128

split-complementary

#64B228 #3128B2 #B228A9

monochromatic

#2C4E12 #48801D #64B228 #82D543 #A3E075

Accessibility & contrast

On white

2.64

#64B228 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#64B228 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B228

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B228	#FFFFFF	#000000	##000000
##64B228	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A301

Deuteranopia (green-blind)

#AE9D37

Tritanopia (blue-blind)

#62AB98

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #64b228;
/* rgb */ color: rgb(100, 178, 40);
/* oklch */ color: oklch(68.7% 0.184 135.1);

Tailwind

colors: {
  custom: {
    50: '#97c96d',
    500: '#64b228',
    950: '#000000',
  },
}

SCSS

$custom: #64b228;
$custom-light: #97c96d;
$custom-dark: #000000;

JSON

{
  "hex": "#64b228",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 40
  },
  "hsl": {
    "h": 93.913,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.68723,
    "c": 0.18356,
    "h": 135.1
  },
  "luminance": 0.34703
}

Semantic roles & 50–950 ramp

primary

#64B228

secondary

#A16FC7

accent

#41E69F

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B228

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

Preview Lab → · Contrast checker → · Palette generator →