#428B23#428B23

#428B23 is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.8% C 0.155 H 138.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#428B23
RGB	rgb(66, 139, 35)
HSL	hsl(102, 60%, 34%)
HSV	hsv(102, 75%, 55%)
CMYK	cmyk(52.5%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(51.55, -41.84, 45.91)
CIE-LCH	lch(51.55, 62.11, 132.35°)
OKLab	oklab(56.84% -0.1156 0.1035)
OKLCH	oklch(56.84% 0.155 138.2)
XYZ	xyz(11.7823, 19.7440, 4.7799)
Luminance	0.1974 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B23 #6C238B

analogous

#768B23 #428B23 #238B38

triadic

#428B23 #23428B #8B2342

tetradic

#428B23 #23768B #6C238B #8B3823

square

#428B23 #23768B #6C238B #8B3823

split-complementary

#428B23 #38238B #8B2376

monochromatic

#14290A #2B5A17 #428B23 #59BC2F #7AD454

Accessibility & contrast

On white

4.24

#428B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#428B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B23

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B23	#FFFFFF	#000000	##000000
##428B23	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F10

Deuteranopia (green-blind)

#86792D

Tritanopia (blue-blind)

#3C8677

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b23;
/* rgb */ color: rgb(66, 139, 35);
/* oklch */ color: oklch(56.8% 0.155 138.2);

Tailwind

colors: {
  custom: {
    50: '#7ead65',
    500: '#428b23',
    950: '#000000',
  },
}

SCSS

$custom: #428b23;
$custom-light: #7ead65;
$custom-dark: #000000;

JSON

{
  "hex": "#428b23",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 102.115,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.56838,
    "c": 0.15519,
    "h": 138.2
  },
  "luminance": 0.19745
}

Semantic roles & 50–950 ramp

primary

#428B23

secondary

#9A52B8

accent

#45E3B4

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428B23

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

Preview Lab → · Contrast checker → · Palette generator →