#428E59#428E59

#428E59 is a mid, moderate green. Relative luminance 0.212; OKLCH L 58.4% C 0.111 H 151.4°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#428E59
RGB	rgb(66, 142, 89)
HSL	hsl(138, 37%, 41%)
HSV	hsv(138, 54%, 56%)
CMYK	cmyk(53.5%, 0%, 37.3%, 44.3%)
CIE-LAB	lab(53.19, -35.95, 21.27)
CIE-LCH	lch(53.19, 41.77, 149.39°)
OKLab	oklab(58.41% -0.0976 0.0532)
OKLCH	oklch(58.41% 0.111 151.4)
XYZ	xyz(13.7220, 21.2244, 12.8229)
Luminance	0.2123 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E59 #8E4277

analogous

#518E42 #428E59 #428E7F

triadic

#428E59 #59428E #8E5942

tetradic

#428E59 #42518E #8E4277 #8E7F42

square

#428E59 #42518E #8E4277 #8E7F42

split-complementary

#428E59 #7F428E #8E4251

monochromatic

#1B3A25 #2F643F #428E59 #5BB375 #84C698

Accessibility & contrast

On white

4.00

#428E59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#428E59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E59

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E59	#FFFFFF	#000000	##000000
##428E59	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8355

Deuteranopia (green-blind)

#847C5C

Tritanopia (blue-blind)

#308C80

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428e59;
/* rgb */ color: rgb(66, 142, 89);
/* oklch */ color: oklch(58.4% 0.111 151.4);

Tailwind

colors: {
  custom: {
    50: '#7cb088',
    500: '#428e59',
    950: '#000000',
  },
}

SCSS

$custom: #428e59;
$custom-light: #7cb088;
$custom-dark: #000000;

JSON

{
  "hex": "#428e59",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 89
  },
  "hsl": {
    "h": 138.158,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.58407,
    "c": 0.11119,
    "h": 151.4
  },
  "luminance": 0.21226
}

Semantic roles & 50–950 ramp

primary

#428E59

secondary

#B17BA1

accent

#5BAACD

background

#F7FAF8

surface

#EEF5F0

border

#C9CFCB

text

#0A100B

muted

#7C7F7C

Preview Lab

Preview with #428E59

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

Preview Lab → · Contrast checker → · Palette generator →