#428A23#428A23

#428A23 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.6% C 0.154 H 138.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#428A23
RGB	rgb(66, 138, 35)
HSL	hsl(102, 60%, 34%)
HSV	hsv(102, 75%, 54%)
CMYK	cmyk(52.2%, 0%, 74.6%, 45.9%)
CIE-LAB	lab(51.22, -41.44, 45.57)
CIE-LCH	lch(51.22, 61.60, 132.28°)
OKLab	oklab(56.57% -0.1145 0.1028)
OKLCH	oklch(56.57% 0.154 138.1)
XYZ	xyz(11.6382, 19.4557, 4.7318)
Luminance	0.1946 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428A23 #6B238A

analogous

#768A23 #428A23 #238A38

triadic

#428A23 #23428A #8A2342

tetradic

#428A23 #23768A #6B238A #8A3823

square

#428A23 #23768A #6B238A #8A3823

split-complementary

#428A23 #38238A #8A2376

monochromatic

#13280A #2B5917 #428A23 #59BB2F #7AD454

Accessibility & contrast

On white

4.29

#428A23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#428A23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428A23

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428A23	#FFFFFF	#000000	##000000
##428A23	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E10

Deuteranopia (green-blind)

#85782D

Tritanopia (blue-blind)

#3C8576

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428a23;
/* rgb */ color: rgb(66, 138, 35);
/* oklch */ color: oklch(56.6% 0.154 138.1);

Tailwind

colors: {
  custom: {
    50: '#7ead65',
    500: '#428a23',
    950: '#000000',
  },
}

SCSS

$custom: #428a23;
$custom-light: #7ead65;
$custom-dark: #000000;

JSON

{
  "hex": "#428a23",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 35
  },
  "hsl": {
    "h": 101.942,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56566,
    "c": 0.15391,
    "h": 138.1
  },
  "luminance": 0.19457
}

Semantic roles & 50–950 ramp

primary

#428A23

secondary

#9951B7

accent

#45E3B3

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1006

muted

#7C7F7A

Preview Lab

Preview with #428A23

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

Preview Lab → · Contrast checker → · Palette generator →