#21A557#21A557

#21A557 is a light, vivid green. Relative luminance 0.279; OKLCH L 63.6% C 0.158 H 151.6°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#21A557
RGBrgb(33, 165, 87)
HSLhsl(145, 67%, 39%)
HSVhsv(145, 80%, 65%)
CMYKcmyk(80%, 0%, 47.3%, 35.3%)
CIE-LABlab(59.82, -51.87, 30.81)
CIE-LCHlch(59.82, 60.33, 149.29°)
OKLaboklab(63.61% -0.1393 0.0755)
OKLCHoklch(63.61% 0.158 151.6)
XYZxyz(15.8012, 27.9198, 13.5713)
Luminance0.2792 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A557 #A5216F
analogous
#2DA521 #21A557 #21A599
triadic
#21A557 #5721A5 #A55721
tetradic
#21A557 #212DA5 #A5216F #A59921
square
#21A557 #212DA5 #A5216F #A59921
split-complementary
#21A557 #9921A5 #A5212D
monochromatic
#0D3F21 #17723C #21A557 #2ED572 #61DF95

Accessibility & contrast

On white

3.19
#21A557 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.58
#21A557 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A557
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A557#FFFFFF#000000##000000
##21A5571.003.196.586.58
#FFFFFF3.191.0021.0021.00
#0000006.5821.001.001.00
##0000006.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A69651
Deuteranopia (green-blind)
#978C5D
Tritanopia (blue-blind)
#00A292
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #21a557;
/* rgb */ color: rgb(33, 165, 87);
/* oklch */ color: oklch(63.6% 0.158 151.6);
Tailwind
colors: {
  custom: {
    50: '#73c187',
    500: '#21a557',
    950: '#000000',
  },
}
SCSS
$custom: #21a557;
$custom-light: #73c187;
$custom-dark: #000000;
JSON
{
  "hex": "#21a557",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 87
  },
  "hsl": {
    "h": 144.545,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63611,
    "c": 0.15843,
    "h": 151.6
  },
  "luminance": 0.27922
}

Semantic roles & 50–950 ramp

primary
#21A557
secondary
#C45E9A
accent
#3EA3EA
background
#F7FCF8
surface
#EEF8F0
border
#C9D1CB
text
#09120B
muted
#7B817C

Preview Lab

Preview with #21A557

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

Preview Lab → · Contrast checker → · Palette generator →

#21A557 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva