#428D4F#428D4F

#428D4F is a mid, moderate green. Relative luminance 0.208; OKLCH L 57.9% C 0.120 H 147.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#428D4F
RGB	rgb(66, 141, 79)
HSL	hsl(130, 36%, 41%)
HSV	hsv(130, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 44%, 44.7%)
CIE-LAB	lab(52.70, -37.30, 26.12)
CIE-LCH	lch(52.70, 45.54, 145.00°)
OKLab	oklab(57.95% -0.1011 0.0643)
OKLCH	oklch(57.95% 0.12 147.5)
XYZ	xyz(13.1821, 20.7714, 10.7103)
Luminance	0.2077 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D4F #8D4280

analogous

#5A8D42 #428D4F #428D74

triadic

#428D4F #4F428D #8D4F42

tetradic

#428D4F #425A8D #8D4280 #8D7442

square

#428D4F #425A8D #8D4280 #8D7442

split-complementary

#428D4F #74428D #8D425A

monochromatic

#1B3A20 #2E6338 #428D4F #5AB269 #84C58F

Accessibility & contrast

On white

4.07

#428D4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#428D4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D4F

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D4F	#FFFFFF	#000000	##000000
##428D4F	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F824A

Deuteranopia (green-blind)

#847B53

Tritanopia (blue-blind)

#348A7E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428d4f;
/* rgb */ color: rgb(66, 141, 79);
/* oklch */ color: oklch(57.9% 0.120 147.5);

Tailwind

colors: {
  custom: {
    50: '#7caf81',
    500: '#428d4f',
    950: '#000000',
  },
}

SCSS

$custom: #428d4f;
$custom-light: #7caf81;
$custom-dark: #000000;

JSON

{
  "hex": "#428d4f",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 79
  },
  "hsl": {
    "h": 130.4,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57945,
    "c": 0.11987,
    "h": 147.5
  },
  "luminance": 0.20773
}

Semantic roles & 50–950 ramp

primary

#428D4F

secondary

#B07BA7

accent

#5CB9CC

background

#F7FAF7

surface

#EEF4EE

border

#C9CEC9

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428D4F

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

Preview Lab → · Contrast checker → · Palette generator →