#428B5D#428B5D

#428B5D is a mid, moderate green. Relative luminance 0.204; OKLCH L 57.7% C 0.103 H 154.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#428B5D
RGB	rgb(66, 139, 93)
HSL	hsl(142, 36%, 40%)
HSV	hsv(142, 53%, 55%)
CMYK	cmyk(52.5%, 0%, 33.1%, 45.5%)
CIE-LAB	lab(52.30, -33.82, 17.82)
CIE-LCH	lch(52.30, 38.23, 152.21°)
OKLab	oklab(57.7% -0.0921 0.045)
OKLCH	oklch(57.7% 0.103 154)
XYZ	xyz(13.4542, 20.4127, 13.5849)
Luminance	0.2041 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B5D #8B4270

analogous

#4B8B42 #428B5D #428B82

triadic

#428B5D #5D428B #8B5D42

tetradic

#428B5D #424B8B #8B4270 #8B8242

square

#428B5D #424B8B #8B4270 #8B8242

split-complementary

#428B5D #82428B #8B424B

monochromatic

#1B3825 #2E6241 #428B5D #5AB17A #83C49B

Accessibility & contrast

On white

4.13

#428B5D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#428B5D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B5D

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B5D	#FFFFFF	#000000	##000000
##428B5D	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B815A

Deuteranopia (green-blind)

#807A60

Tritanopia (blue-blind)

#308A7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428b5d;
/* rgb */ color: rgb(66, 139, 93);
/* oklch */ color: oklch(57.7% 0.103 154.0);

Tailwind

colors: {
  custom: {
    50: '#7cad8b',
    500: '#428b5d',
    950: '#000000',
  },
}

SCSS

$custom: #428b5d;
$custom-light: #7cad8b;
$custom-dark: #000000;

JSON

{
  "hex": "#428b5d",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 93
  },
  "hsl": {
    "h": 142.192,
    "s": 35.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.57702,
    "c": 0.10253,
    "h": 154
  },
  "luminance": 0.20414
}

Semantic roles & 50–950 ramp

primary

#428B5D

secondary

#AF7A9B

accent

#5CA2CC

background

#F7FAF8

surface

#EEF4F0

border

#C9CECB

text

#0A100C

muted

#7C7F7D

Preview Lab

Preview with #428B5D

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

Preview Lab → · Contrast checker → · Palette generator →