#228B51#228B51

#228B51 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.129 H 153.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#228B51
RGB	rgb(34, 139, 81)
HSL	hsl(147, 61%, 34%)
HSV	hsv(147, 76%, 55%)
CMYK	cmyk(75.5%, 0%, 41.7%, 45.5%)
CIE-LAB	lab(51.15, -43.03, 22.83)
CIE-LCH	lch(51.15, 48.71, 152.05°)
OKLab	oklab(56.42% -0.116 0.0568)
OKLCH	oklch(56.42% 0.129 153.9)
XYZ	xyz(11.3765, 19.3981, 10.9276)
Luminance	0.1940 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228B51 #8B225C

analogous

#288B22 #228B51 #228B86

triadic

#228B51 #51228B #8B5122

tetradic

#228B51 #22288B #8B225C #8B8622

square

#228B51 #22288B #8B225C #8B8622

split-complementary

#228B51 #86228B #8B2228

monochromatic

#0A2918 #165A34 #228B51 #2EBC6E #53D58D

Accessibility & contrast

On white

4.30

#228B51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#228B51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228B51

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228B51	#FFFFFF	#000000	##000000
##228B51	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F4D

Deuteranopia (green-blind)

#7E7655

Tritanopia (blue-blind)

#00897D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #228b51;
/* rgb */ color: rgb(34, 139, 81);
/* oklch */ color: oklch(56.4% 0.129 153.9);

Tailwind

colors: {
  custom: {
    50: '#6eae82',
    500: '#228b51',
    950: '#000000',
  },
}

SCSS

$custom: #228b51;
$custom-light: #6eae82;
$custom-dark: #000000;

JSON

{
  "hex": "#228b51",
  "rgb": {
    "r": 34,
    "g": 139,
    "b": 81
  },
  "hsl": {
    "h": 146.857,
    "s": 60.694,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56422,
    "c": 0.12911,
    "h": 153.9
  },
  "luminance": 0.19399
}

Semantic roles & 50–950 ramp

primary

#228B51

secondary

#B8508A

accent

#449CE4

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #228B51

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

Preview Lab → · Contrast checker → · Palette generator →