#228F40#228F40

#228F40 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.2% C 0.151 H 148.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#228F40
RGB	rgb(34, 143, 64)
HSL	hsl(137, 62%, 35%)
HSV	hsv(137, 76%, 56%)
CMYK	cmyk(76.2%, 0%, 55.2%, 43.9%)
CIE-LAB	lab(52.23, -47.49, 33.27)
CIE-LCH	lch(52.23, 57.98, 144.99°)
OKLab	oklab(57.24% -0.1277 0.0798)
OKLCH	oklch(57.24% 0.151 148)
XYZ	xyz(11.4067, 20.3538, 8.1770)
Luminance	0.2036 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228F40 #8F2271

analogous

#3A8F22 #228F40 #228F77

triadic

#228F40 #40228F #8F4022

tetradic

#228F40 #223A8F #8F2271 #8F7722

square

#228F40 #223A8F #8F2271 #8F7722

split-complementary

#228F40 #77228F #8F223A

monochromatic

#0A2C14 #165E2A #228F40 #2EC056 #55D779

Accessibility & contrast

On white

4.14

#228F40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#228F40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228F40

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228F40	#FFFFFF	#000000	##000000
##228F40	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918239

Deuteranopia (green-blind)

#847946

Tritanopia (blue-blind)

#008C7D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #228f40;
/* rgb */ color: rgb(34, 143, 64);
/* oklch */ color: oklch(57.2% 0.151 148.0);

Tailwind

colors: {
  custom: {
    50: '#6fb177',
    500: '#228f40',
    950: '#000000',
  },
}

SCSS

$custom: #228f40;
$custom-light: #6fb177;
$custom-dark: #000000;

JSON

{
  "hex": "#228f40",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 64
  },
  "hsl": {
    "h": 136.514,
    "s": 61.582,
    "l": 34.706
  },
  "oklch": {
    "l": 0.57236,
    "c": 0.15062,
    "h": 148
  },
  "luminance": 0.20355
}

Semantic roles & 50–950 ramp

primary

#228F40

secondary

#BA529E

accent

#43B8E5

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081109

muted

#7B807B

Preview Lab

Preview with #228F40

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

Preview Lab → · Contrast checker → · Palette generator →