#428E2B#428E2B

#428E2B is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.7% C 0.154 H 139.3°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#428E2B
RGB	rgb(66, 142, 43)
HSL	hsl(106, 54%, 36%)
HSV	hsv(106, 70%, 56%)
CMYK	cmyk(53.5%, 0%, 69.7%, 44.3%)
CIE-LAB	lab(52.59, -42.38, 43.78)
CIE-LCH	lch(52.59, 60.93, 134.07°)
OKLab	oklab(57.72% -0.1165 0.1002)
OKLCH	oklch(57.72% 0.154 139.3)
XYZ	xyz(12.3553, 20.6777, 5.6252)
Luminance	0.2068 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E2B #772B8E

analogous

#748E2B #428E2B #2B8E46

triadic

#428E2B #2B428E #8E2B42

tetradic

#428E2B #2B748E #772B8E #8E462B

square

#428E2B #2B748E #772B8E #8E462B

split-complementary

#428E2B #462B8E #8E2B74

monochromatic

#16300F #2C5F1D #428E2B #58BD39 #7DD063

Accessibility & contrast

On white

4.09

#428E2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#428E2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E2B

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E2B	#FFFFFF	#000000	##000000
##428E2B	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92811D

Deuteranopia (green-blind)

#887B34

Tritanopia (blue-blind)

#3B897A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428e2b;
/* rgb */ color: rgb(66, 142, 43);
/* oklch */ color: oklch(57.7% 0.154 139.3);

Tailwind

colors: {
  custom: {
    50: '#7eb06a',
    500: '#428e2b',
    950: '#000000',
  },
}

SCSS

$custom: #428e2b;
$custom-light: #7eb06a;
$custom-dark: #000000;

JSON

{
  "hex": "#428e2b",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 43
  },
  "hsl": {
    "h": 106.061,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.5772,
    "c": 0.15368,
    "h": 139.3
  },
  "luminance": 0.20679
}

Semantic roles & 50–950 ramp

primary

#428E2B

secondary

#A25FB6

accent

#4BDDBB

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1007

muted

#7C7F7A

Preview Lab

Preview with #428E2B

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

Preview Lab → · Contrast checker → · Palette generator →