#428123#428123

#428123 is a mid, vivid green. Relative luminance 0.170; OKLCH L 54.1% C 0.142 H 137.3°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#428123
RGB	rgb(66, 129, 35)
HSL	hsl(100, 57%, 32%)
HSV	hsv(100, 73%, 51%)
CMYK	cmyk(48.8%, 0%, 72.9%, 49.4%)
CIE-LAB	lab(48.23, -37.72, 42.54)
CIE-LCH	lch(48.23, 56.86, 131.56°)
OKLab	oklab(54.11% -0.1045 0.0965)
OKLCH	oklch(54.11% 0.142 137.3)
XYZ	xyz(10.4001, 16.9794, 4.3191)
Luminance	0.1698 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428123 #622381

analogous

#718123 #428123 #238133

triadic

#428123 #234281 #812342

tetradic

#428123 #237181 #622381 #813323

square

#428123 #237181 #622381 #813323

split-complementary

#428123 #332381 #812371

monochromatic

#112109 #295116 #428123 #5BB130 #79CF4F

Accessibility & contrast

On white

4.78

#428123 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#428123 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428123

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428123	#FFFFFF	#000000	##FFFFFF
##428123	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857614

Deuteranopia (green-blind)

#7D712C

Tritanopia (blue-blind)

#3E7C6E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #428123;
/* rgb */ color: rgb(66, 129, 35);
/* oklch */ color: oklch(54.1% 0.142 137.3);

Tailwind

colors: {
  custom: {
    50: '#7ca664',
    500: '#428123',
    950: '#000000',
  },
}

SCSS

$custom: #428123;
$custom-light: #7ca664;
$custom-dark: #000000;

JSON

{
  "hex": "#428123",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 35
  },
  "hsl": {
    "h": 100.213,
    "s": 57.317,
    "l": 32.157
  },
  "oklch": {
    "l": 0.54114,
    "c": 0.14221,
    "h": 137.3
  },
  "luminance": 0.1698
}

Semantic roles & 50–950 ramp

primary

#428123

secondary

#914DB3

accent

#47E1AE

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F06

muted

#7C7F7A

Preview Lab

Preview with #428123

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

Preview Lab → · Contrast checker → · Palette generator →