#228F31#228F31

#228F31 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.0% C 0.163 H 144.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#228F31
RGB	rgb(34, 143, 49)
HSL	hsl(128, 62%, 35%)
HSV	hsv(128, 76%, 56%)
CMYK	cmyk(76.2%, 0%, 65.7%, 43.9%)
CIE-LAB	lab(52.07, -49.47, 40.32)
CIE-LCH	lch(52.07, 63.82, 140.82°)
OKLab	oklab(57.05% -0.1336 0.0938)
OKLCH	oklch(57.05% 0.163 144.9)
XYZ	xyz(11.0358, 20.2055, 6.2236)
Luminance	0.2021 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228F31 #8F2280

analogous

#4A8F22 #228F31 #228F68

triadic

#228F31 #31228F #8F3122

tetradic

#228F31 #224A8F #8F2280 #8F6822

square

#228F31 #224A8F #8F2280 #8F6822

split-complementary

#228F31 #68228F #8F224A

monochromatic

#0A2C0F #165E20 #228F31 #2EC042 #55D767

Accessibility & contrast

On white

4.17

#228F31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#228F31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228F31

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228F31	#FFFFFF	#000000	##000000
##228F31	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918126

Deuteranopia (green-blind)

#857939

Tritanopia (blue-blind)

#008B7B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #228f31;
/* rgb */ color: rgb(34, 143, 49);
/* oklch */ color: oklch(57.0% 0.163 144.9);

Tailwind

colors: {
  custom: {
    50: '#70b16d',
    500: '#228f31',
    950: '#000000',
  },
}

SCSS

$custom: #228f31;
$custom-light: #70b16d;
$custom-dark: #000000;

JSON

{
  "hex": "#228f31",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 49
  },
  "hsl": {
    "h": 128.257,
    "s": 61.582,
    "l": 34.706
  },
  "oklch": {
    "l": 0.57045,
    "c": 0.16323,
    "h": 144.9
  },
  "luminance": 0.20207
}

Semantic roles & 50–950 ramp

primary

#228F31

secondary

#BA52AC

accent

#43CEE5

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #228F31

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

Preview Lab → · Contrast checker → · Palette generator →