#218B51#218B51

#218B51 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.129 H 154.0°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#218B51
RGBrgb(33, 139, 81)
HSLhsl(147, 62%, 34%)
HSVhsv(147, 76%, 55%)
CMYKcmyk(76.3%, 0%, 41.7%, 45.5%)
CIE-LABlab(51.13, -43.18, 22.80)
CIE-LCHlch(51.13, 48.83, 152.16°)
OKLaboklab(56.4% -0.1164 0.0567)
OKLCHoklch(56.4% 0.129 154)
XYZxyz(11.3440, 19.3813, 10.9261)
Luminance0.1938 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#218B51 #8B215B
analogous
#268B21 #218B51 #218B86
triadic
#218B51 #51218B #8B5121
tetradic
#218B51 #21268B #8B215B #8B8621
square
#218B51 #21268B #8B215B #8B8621
split-complementary
#218B51 #86218B #8B2126
monochromatic
#0A2817 #155A34 #218B51 #2DBC6E #51D68D

Accessibility & contrast

On white

4.31
#218B51 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.88
#218B51 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B51
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##218B51#FFFFFF#000000##000000
##218B511.004.314.884.88
#FFFFFF4.311.0021.0021.00
#0000004.8821.001.001.00
##0000004.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B7F4D
Deuteranopia (green-blind)
#7E7655
Tritanopia (blue-blind)
#00897D
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #218b51;
/* rgb */ color: rgb(33, 139, 81);
/* oklch */ color: oklch(56.4% 0.129 154.0);
Tailwind
colors: {
  custom: {
    50: '#6dae82',
    500: '#218b51',
    950: '#000000',
  },
}
SCSS
$custom: #218b51;
$custom-light: #6dae82;
$custom-dark: #000000;
JSON
{
  "hex": "#218b51",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 81
  },
  "hsl": {
    "h": 147.17,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.564,
    "c": 0.12943,
    "h": 154
  },
  "luminance": 0.19383
}

Semantic roles & 50–950 ramp

primary
#218B51
secondary
#B94F89
accent
#439CE5
background
#F7FAF8
surface
#EDF4EF
border
#C8CECA
text
#08100A
muted
#7B7F7C

Preview Lab

Preview with #218B51

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

Preview Lab → · Contrast checker → · Palette generator →

#218B51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva