#428C63#428C63

#428C63 is a mid, moderate green. Relative luminance 0.208; OKLCH L 58.1% C 0.098 H 157.1°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#428C63
RGB	rgb(66, 140, 99)
HSL	hsl(147, 36%, 40%)
HSV	hsv(147, 53%, 55%)
CMYK	cmyk(52.9%, 0%, 29.3%, 45.1%)
CIE-LAB	lab(52.75, -33.04, 15.03)
CIE-LCH	lch(52.75, 36.30, 155.54°)
OKLab	oklab(58.11% -0.0904 0.0382)
OKLCH	oklch(58.11% 0.098 157.1)
XYZ	xyz(13.8759, 20.8141, 15.0883)
Luminance	0.2082 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C63 #8C426B

analogous

#468C42 #428C63 #428C88

triadic

#428C63 #63428C #8C6342

tetradic

#428C63 #42468C #8C426B #8C8842

square

#428C63 #42468C #8C426B #8C8842

split-complementary

#428C63 #88428C #8C4246

monochromatic

#1B3928 #2E6246 #428C63 #5AB181 #84C5A1

Accessibility & contrast

On white

4.07

#428C63 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#428C63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C63

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C63	#FFFFFF	#000000	##000000
##428C63	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8261

Deuteranopia (green-blind)

#807B66

Tritanopia (blue-blind)

#2D8B81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428c63;
/* rgb */ color: rgb(66, 140, 99);
/* oklch */ color: oklch(58.1% 0.098 157.1);

Tailwind

colors: {
  custom: {
    50: '#7cae8f',
    500: '#428c63',
    950: '#000000',
  },
}

SCSS

$custom: #428c63;
$custom-light: #7cae8f;
$custom-dark: #000000;

JSON

{
  "hex": "#428c63",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 99
  },
  "hsl": {
    "h": 146.757,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.58105,
    "c": 0.09816,
    "h": 157.1
  },
  "luminance": 0.20815
}

Semantic roles & 50–950 ramp

primary

#428C63

secondary

#B07A98

accent

#5C9ACC

background

#F7FAF8

surface

#EEF4F0

border

#C9CECB

text

#0A100C

muted

#7C7F7D

Preview Lab

Preview with #428C63

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

Preview Lab → · Contrast checker → · Palette generator →