#21A537#21A537

#21A537 is a light, vivid green. Relative luminance 0.275; OKLCH L 63.2% C 0.185 H 145.1°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX#21A537
RGBrgb(33, 165, 55)
HSLhsl(130, 67%, 39%)
HSVhsv(130, 80%, 65%)
CMYKcmyk(80%, 0%, 66.7%, 35.3%)
CIE-LABlab(59.44, -56.36, 45.80)
CIE-LCHlch(59.44, 72.62, 140.90°)
OKLaboklab(63.18% -0.152 0.1061)
OKLCHoklch(63.18% 0.185 145.1)
XYZxyz(14.7709, 27.5077, 8.1447)
Luminance0.2751 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A537 #A5218F
analogous
#4DA521 #21A537 #21A579
triadic
#21A537 #3721A5 #A53721
tetradic
#21A537 #214DA5 #A5218F #A57921
square
#21A537 #214DA5 #A5218F #A57921
split-complementary
#21A537 #7921A5 #A5214D
monochromatic
#0D3F15 #177226 #21A537 #2ED54A #61DF76

Accessibility & contrast

On white

3.23
#21A537 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.50
#21A537 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A537
6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A537#FFFFFF#000000##000000
##21A5371.003.236.506.50
#FFFFFF3.231.0021.0021.00
#0000006.5021.001.001.00
##0000006.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A89529
Deuteranopia (green-blind)
#998B41
Tritanopia (blue-blind)
#00A18E
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #21a537;
/* rgb */ color: rgb(33, 165, 55);
/* oklch */ color: oklch(63.2% 0.185 145.1);
Tailwind
colors: {
  custom: {
    50: '#75c173',
    500: '#21a537',
    950: '#000000',
  },
}
SCSS
$custom: #21a537;
$custom-light: #75c173;
$custom-dark: #000000;
JSON
{
  "hex": "#21a537",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 55
  },
  "hsl": {
    "h": 130,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63179,
    "c": 0.18536,
    "h": 145.1
  },
  "luminance": 0.27509
}

Semantic roles & 50–950 ramp

primary
#21A537
secondary
#C45EB3
accent
#3ECDEA
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1208
muted
#7C817B

Preview Lab

Preview with #21A537

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

Preview Lab → · Contrast checker → · Palette generator →

#21A537 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva