#428C3E#428C3E

#428C3E is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.4% C 0.135 H 142.6°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#428C3E
RGB	rgb(66, 140, 62)
HSL	hsl(117, 39%, 40%)
HSV	hsv(117, 56%, 55%)
CMYK	cmyk(52.9%, 0%, 55.7%, 45.1%)
CIE-LAB	lab(52.13, -39.44, 34.37)
CIE-LCH	lch(52.13, 52.32, 138.93°)
OKLab	oklab(57.4% -0.1074 0.082)
OKLCH	oklch(57.4% 0.135 142.6)
XYZ	xyz(12.4937, 20.2612, 7.8089)
Luminance	0.2026 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C3E #883E8C

analogous

#698C3E #428C3E #3E8C61

triadic

#428C3E #3E428C #8C3E42

tetradic

#428C3E #3E698C #883E8C #8C613E

square

#428C3E #3E698C #883E8C #8C613E

split-complementary

#428C3E #613E8C #8C3E69

monochromatic

#1A3718 #2E622B #428C3E #59B354 #82C67E

Accessibility & contrast

On white

4.16

#428C3E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#428C3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C3E

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C3E	#FFFFFF	#000000	##000000
##428C3E	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8037

Deuteranopia (green-blind)

#857A44

Tritanopia (blue-blind)

#38887A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c3e;
/* rgb */ color: rgb(66, 140, 62);
/* oklch */ color: oklch(57.4% 0.135 142.6);

Tailwind

colors: {
  custom: {
    50: '#7dae75',
    500: '#428c3e',
    950: '#000000',
  },
}

SCSS

$custom: #428c3e;
$custom-light: #7dae75;
$custom-dark: #000000;

JSON

{
  "hex": "#428c3e",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 62
  },
  "hsl": {
    "h": 116.923,
    "s": 38.614,
    "l": 39.608
  },
  "oklch": {
    "l": 0.57401,
    "c": 0.13513,
    "h": 142.6
  },
  "luminance": 0.20262
}

Semantic roles & 50–950 ramp

primary

#428C3E

secondary

#AD76B0

accent

#59CFC9

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1008

muted

#7C7F7B

Preview Lab

Preview with #428C3E

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

Preview Lab → · Contrast checker → · Palette generator →