#428D3C#428D3C

#428D3C is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.6% C 0.138 H 142.2°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#428D3C
RGB	rgb(66, 141, 60)
HSL	hsl(116, 40%, 39%)
HSV	hsv(116, 57%, 55%)
CMYK	cmyk(53.2%, 0%, 57.4%, 44.7%)
CIE-LAB	lab(52.43, -40.12, 35.74)
CIE-LCH	lch(52.43, 53.73, 138.31°)
OKLab	oklab(57.64% -0.1094 0.0848)
OKLCH	oklch(57.64% 0.138 142.2)
XYZ	xyz(12.5866, 20.5333, 7.5741)
Luminance	0.2053 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D3C #873C8D

analogous

#6B8D3C #428D3C #3C8D5F

triadic

#428D3C #3C428D #8D3C42

tetradic

#428D3C #3C6B8D #873C8D #8D5F3C

square

#428D3C #3C6B8D #873C8D #8D5F3C

split-complementary

#428D3C #5F3C8D #8D3C6B

monochromatic

#1A3717 #2E622A #428D3C #59B551 #82C77C

Accessibility & contrast

On white

4.11

#428D3C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#428D3C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D3C

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D3C	#FFFFFF	#000000	##000000
##428D3C	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908134

Deuteranopia (green-blind)

#867B42

Tritanopia (blue-blind)

#38897B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428d3c;
/* rgb */ color: rgb(66, 141, 60);
/* oklch */ color: oklch(57.6% 0.138 142.2);

Tailwind

colors: {
  custom: {
    50: '#7daf74',
    500: '#428d3c',
    950: '#000000',
  },
}

SCSS

$custom: #428d3c;
$custom-light: #7daf74;
$custom-dark: #000000;

JSON

{
  "hex": "#428d3c",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 60
  },
  "hsl": {
    "h": 115.556,
    "s": 40.299,
    "l": 39.412
  },
  "oklch": {
    "l": 0.57643,
    "c": 0.13839,
    "h": 142.2
  },
  "luminance": 0.20534
}

Semantic roles & 50–950 ramp

primary

#428D3C

secondary

#AC74B1

accent

#58D0C7

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1008

muted

#7C7F7B

Preview Lab

Preview with #428D3C

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

Preview Lab → · Contrast checker → · Palette generator →