#428C23#428C23

#428C23 is a mid, vivid green. Relative luminance 0.200; OKLCH L 57.1% C 0.156 H 138.2°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#428C23
RGB	rgb(66, 140, 35)
HSL	hsl(102, 60%, 34%)
HSV	hsv(102, 75%, 55%)
CMYK	cmyk(52.9%, 0%, 75%, 45.1%)
CIE-LAB	lab(51.88, -42.24, 46.24)
CIE-LCH	lch(51.88, 62.63, 132.41°)
OKLab	oklab(57.11% -0.1167 0.1042)
OKLCH	oklch(57.11% 0.156 138.2)
XYZ	xyz(11.9278, 20.0349, 4.8284)
Luminance	0.2004 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C23 #6D238C

analogous

#778C23 #428C23 #238C39

triadic

#428C23 #23428C #8C2342

tetradic

#428C23 #23778C #6D238C #8C3923

square

#428C23 #23778C #6D238C #8C3923

split-complementary

#428C23 #39238C #8C2377

monochromatic

#142A0B #2B5B17 #428C23 #59BD2F #7BD455

Accessibility & contrast

On white

4.19

#428C23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#428C23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C23

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C23	#FFFFFF	#000000	##000000
##428C23	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90800F

Deuteranopia (green-blind)

#87792E

Tritanopia (blue-blind)

#3C8778

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c23;
/* rgb */ color: rgb(66, 140, 35);
/* oklch */ color: oklch(57.1% 0.156 138.2);

Tailwind

colors: {
  custom: {
    50: '#7eae65',
    500: '#428c23',
    950: '#000000',
  },
}

SCSS

$custom: #428c23;
$custom-light: #7eae65;
$custom-dark: #000000;

JSON

{
  "hex": "#428c23",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 35
  },
  "hsl": {
    "h": 102.286,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.5711,
    "c": 0.15646,
    "h": 138.2
  },
  "luminance": 0.20036
}

Semantic roles & 50–950 ramp

primary

#428C23

secondary

#9A52B8

accent

#45E3B4

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428C23

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

Preview Lab → · Contrast checker → · Palette generator →