#228A40#228A40

#228A40 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.144 H 148.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#228A40
RGB	rgb(34, 138, 64)
HSL	hsl(137, 60%, 34%)
HSV	hsv(137, 75%, 54%)
CMYK	cmyk(75.4%, 0%, 53.6%, 45.9%)
CIE-LAB	lab(50.55, -45.65, 31.22)
CIE-LCH	lch(50.55, 55.30, 145.63°)
OKLab	oklab(55.84% -0.1228 0.0753)
OKLCH	oklch(55.84% 0.144 148.5)
XYZ	xyz(10.6727, 18.8860, 7.9324)
Luminance	0.1889 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228A40 #8A226C

analogous

#388A22 #228A40 #228A74

triadic

#228A40 #40228A #8A4022

tetradic

#228A40 #22388A #8A226C #8A7422

square

#228A40 #22388A #8A226C #8A7422

split-complementary

#228A40 #74228A #8A2238

monochromatic

#0A2812 #165929 #228A40 #2EBB57 #52D478

Accessibility & contrast

On white

4.40

#228A40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#228A40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228A40

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228A40	#FFFFFF	#000000	##000000
##228A40	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7D3A

Deuteranopia (green-blind)

#7F7546

Tritanopia (blue-blind)

#008779

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #228a40;
/* rgb */ color: rgb(34, 138, 64);
/* oklch */ color: oklch(55.8% 0.144 148.5);

Tailwind

colors: {
  custom: {
    50: '#6ead76',
    500: '#228a40',
    950: '#000000',
  },
}

SCSS

$custom: #228a40;
$custom-light: #6ead76;
$custom-dark: #000000;

JSON

{
  "hex": "#228a40",
  "rgb": {
    "r": 34,
    "g": 138,
    "b": 64
  },
  "hsl": {
    "h": 137.308,
    "s": 60.465,
    "l": 33.725
  },
  "oklch": {
    "l": 0.55844,
    "c": 0.14403,
    "h": 148.5
  },
  "luminance": 0.18887
}

Semantic roles & 50–950 ramp

primary

#228A40

secondary

#B8509A

accent

#44B6E4

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #228A40

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

Preview Lab → · Contrast checker → · Palette generator →