#428B24#428B24

#428B24 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.8% C 0.155 H 138.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#428B24
RGB	rgb(66, 139, 36)
HSL	hsl(103, 59%, 34%)
HSV	hsv(103, 74%, 55%)
CMYK	cmyk(52.5%, 0%, 74.1%, 45.5%)
CIE-LAB	lab(51.55, -41.77, 45.53)
CIE-LCH	lch(51.55, 61.78, 132.53°)
OKLab	oklab(56.85% -0.1153 0.1029)
OKLCH	oklch(56.85% 0.155 138.3)
XYZ	xyz(11.7974, 19.7500, 4.8592)
Luminance	0.1975 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B24 #6D248B

analogous

#768B24 #428B24 #248B3A

triadic

#428B24 #24428B #8B2442

tetradic

#428B24 #24768B #6D248B #8B3A24

square

#428B24 #24768B #6D248B #8B3A24

split-complementary

#428B24 #3A248B #8B2476

monochromatic

#142A0B #2B5A17 #428B24 #59BC31 #7BD356

Accessibility & contrast

On white

4.24

#428B24 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#428B24 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B24

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B24	#FFFFFF	#000000	##000000
##428B24	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)

#8F7F12

Deuteranopia (green-blind)

#86792E

Tritanopia (blue-blind)

#3C8677

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b24;
/* rgb */ color: rgb(66, 139, 36);
/* oklch */ color: oklch(56.8% 0.155 138.3);

Tailwind

colors: {
  custom: {
    50: '#7ead66',
    500: '#428b24',
    950: '#000000',
  },
}

SCSS

$custom: #428b24;
$custom-light: #7ead66;
$custom-dark: #000000;

JSON

{
  "hex": "#428b24",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 36
  },
  "hsl": {
    "h": 102.524,
    "s": 58.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.56846,
    "c": 0.15456,
    "h": 138.3
  },
  "luminance": 0.19751
}

Semantic roles & 50–950 ramp

primary

#428B24

secondary

#9A53B7

accent

#46E2B5

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428B24

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

Preview Lab → · Contrast checker → · Palette generator →