#21AC3F#21AC3F

#21AC3F is a light, vivid green. Relative luminance 0.302; OKLCH L 65.2% C 0.188 H 146.0°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX#21AC3F
RGBrgb(33, 172, 63)
HSLhsl(133, 68%, 40%)
HSVhsv(133, 81%, 67%)
CMYKcmyk(80.8%, 0%, 63.4%, 32.5%)
CIE-LABlab(61.81, -57.75, 44.93)
CIE-LCHlch(61.81, 73.17, 142.12°)
OKLaboklab(65.17% -0.1555 0.105)
OKLCHoklch(65.17% 0.188 146)
XYZxyz(16.2757, 30.1853, 9.6702)
Luminance0.3019 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AC3F #AC218E
analogous
#48AC21 #21AC3F #21AC85
triadic
#21AC3F #3F21AC #AC3F21
tetradic
#21AC3F #2148AC #AC218E #AC8521
square
#21AC3F #2148AC #AC218E #AC8521
split-complementary
#21AC3F #8521AC #AC2148
monochromatic
#0D4519 #17792C #21AC3F #32D856 #66E281

Accessibility & contrast

On white

2.98
#21AC3F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.04
#21AC3F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AC3F
7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AC3F#FFFFFF#000000##000000
##21AC3F1.002.987.047.04
#FFFFFF2.981.0021.0021.00
#0000007.0421.001.001.00
##0000007.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#AF9C32
Deuteranopia (green-blind)
#A09148
Tritanopia (blue-blind)
#00A895
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #21ac3f;
/* rgb */ color: rgb(33, 172, 63);
/* oklch */ color: oklch(65.2% 0.188 146.0);
Tailwind
colors: {
  custom: {
    50: '#76c678',
    500: '#21ac3f',
    950: '#000000',
  },
}
SCSS
$custom: #21ac3f;
$custom-light: #76c678;
$custom-dark: #000000;
JSON
{
  "hex": "#21ac3f",
  "rgb": {
    "r": 33,
    "g": 172,
    "b": 63
  },
  "hsl": {
    "h": 132.95,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.65173,
    "c": 0.18764,
    "h": 146
  },
  "luminance": 0.30187
}

Semantic roles & 50–950 ramp

primary
#21AC3F
secondary
#C762B1
accent
#3DC5EB
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1309
muted
#7C827B

Preview Lab

Preview with #21AC3F

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

Preview Lab → · Contrast checker → · Palette generator →

#21AC3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva