#428F64#428F64

#428F64 is a mid, moderate green. Relative luminance 0.217; OKLCH L 58.9% C 0.102 H 156.8°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#428F64
RGB	rgb(66, 143, 100)
HSL	hsl(146, 37%, 41%)
HSV	hsv(146, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 30.1%, 43.9%)
CIE-LAB	lab(53.73, -34.21, 15.82)
CIE-LCH	lch(53.73, 37.69, 155.18°)
OKLab	oklab(58.92% -0.0935 0.0402)
OKLCH	oklch(58.92% 0.102 156.8)
XYZ	xyz(14.3683, 21.7220, 15.4897)
Luminance	0.2172 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F64 #8F426D

analogous

#468F42 #428F64 #428F8A

triadic

#428F64 #64428F #8F6442

tetradic

#428F64 #42468F #8F426D #8F8A42

square

#428F64 #42468F #8F426D #8F8A42

split-complementary

#428F64 #8A428F #8F4246

monochromatic

#1B3B29 #2F6547 #428F64 #5BB382 #85C7A2

Accessibility & contrast

On white

3.93

#428F64 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#428F64 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F64

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F64	#FFFFFF	#000000	##000000
##428F64	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8561

Deuteranopia (green-blind)

#837D67

Tritanopia (blue-blind)

#2B8E84

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #428f64;
/* rgb */ color: rgb(66, 143, 100);
/* oklch */ color: oklch(58.9% 0.102 156.8);

Tailwind

colors: {
  custom: {
    50: '#7cb090',
    500: '#428f64',
    950: '#000000',
  },
}

SCSS

$custom: #428f64;
$custom-light: #7cb090;
$custom-dark: #000000;

JSON

{
  "hex": "#428f64",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 100
  },
  "hsl": {
    "h": 146.494,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.58916,
    "c": 0.10177,
    "h": 156.8
  },
  "luminance": 0.21723
}

Semantic roles & 50–950 ramp

primary

#428F64

secondary

#B17B9A

accent

#5B9BCD

background

#F7FAF8

surface

#EEF5F0

border

#C9CFCB

text

#0A100C

muted

#7C7F7D

Preview Lab

Preview with #428F64

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

Preview Lab → · Contrast checker → · Palette generator →