#428E33#428E33

#428E33 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.8% C 0.148 H 140.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#428E33
RGB	rgb(66, 142, 51)
HSL	hsl(110, 47%, 38%)
HSV	hsv(110, 64%, 56%)
CMYK	cmyk(53.5%, 0%, 64.1%, 44.3%)
CIE-LAB	lab(52.67, -41.59, 40.32)
CIE-LCH	lch(52.67, 57.93, 135.89°)
OKLab	oklab(57.8% -0.1139 0.0938)
OKLCH	oklch(57.8% 0.148 140.5)
XYZ	xyz(12.5168, 20.7423, 6.4754)
Luminance	0.2074 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E33 #7F338E

analogous

#6F8E33 #428E33 #338E51

triadic

#428E33 #33428E #8E3342

tetradic

#428E33 #336F8E #7F338E #8E5133

square

#428E33 #336F8E #7F338E #8E5133

split-complementary

#428E33 #51338E #8E336F

monochromatic

#183413 #2D6123 #428E33 #57BB43 #7FCC70

Accessibility & contrast

On white

4.08

#428E33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#428E33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E33

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E33	#FFFFFF	#000000	##000000
##428E33	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928228

Deuteranopia (green-blind)

#887B3B

Tritanopia (blue-blind)

#3A8A7B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428e33;
/* rgb */ color: rgb(66, 142, 51);
/* oklch */ color: oklch(57.8% 0.148 140.5);

Tailwind

colors: {
  custom: {
    50: '#7eb06e',
    500: '#428e33',
    950: '#000000',
  },
}

SCSS

$custom: #428e33;
$custom-light: #7eb06e;
$custom-dark: #000000;

JSON

{
  "hex": "#428e33",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 51
  },
  "hsl": {
    "h": 110.11,
    "s": 47.15,
    "l": 37.843
  },
  "oklch": {
    "l": 0.57802,
    "c": 0.14755,
    "h": 140.5
  },
  "luminance": 0.20743
}

Semantic roles & 50–950 ramp

primary

#428E33

secondary

#A769B4

accent

#51D7C1

background

#F8FAF6

surface

#EFF5EC

border

#CACFC7

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428E33

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

Preview Lab → · Contrast checker → · Palette generator →