#21B02A#21B02A

#21B02A is a light, highly saturated green. Relative luminance 0.315; OKLCH L 66.1% C 0.206 H 143.4°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX#21B02A
RGBrgb(33, 176, 42)
HSLhsl(124, 68%, 41%)
HSVhsv(124, 81%, 69%)
CMYKcmyk(81.3%, 0%, 76.1%, 31%)
CIE-LABlab(62.96, -61.03, 54.50)
CIE-LCHlch(62.96, 81.83, 138.23°)
OKLaboklab(66.07% -0.1653 0.1227)
OKLCHoklch(66.07% 0.206 143.4)
XYZxyz(16.5694, 31.5391, 7.4044)
Luminance0.3154 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B02A #B021A7
analogous
#5FB021 #21B02A #21B071
triadic
#21B02A #2A21B0 #B02A21
tetradic
#21B02A #215FB0 #B021A7 #B07121
square
#21B02A #215FB0 #B021A7 #B07121
split-complementary
#21B02A #7121B0 #B0215F
monochromatic
#0E4911 #177C1E #21B02A #35D93F #69E370

Accessibility & contrast

On white

2.87
#21B02A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.31
#21B02A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B02A
7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B02A#FFFFFF#000000##000000
##21B02A1.002.877.317.31
#FFFFFF2.871.0021.0021.00
#0000007.3121.001.001.00
##0000007.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B49F0B
Deuteranopia (green-blind)
#A59439
Tritanopia (blue-blind)
#00AB97
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #21b02a;
/* rgb */ color: rgb(33, 176, 42);
/* oklch */ color: oklch(66.1% 0.206 143.4);
Tailwind
colors: {
  custom: {
    50: '#78c96d',
    500: '#21b02a',
    950: '#000000',
  },
}
SCSS
$custom: #21b02a;
$custom-light: #78c96d;
$custom-dark: #000000;
JSON
{
  "hex": "#21b02a",
  "rgb": {
    "r": 33,
    "g": 176,
    "b": 42
  },
  "hsl": {
    "h": 123.776,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66074,
    "c": 0.20585,
    "h": 143.4
  },
  "luminance": 0.31541
}

Semantic roles & 50–950 ramp

primary
#21B02A
secondary
#C864C2
accent
#3DE0EB
background
#F8FCF6
surface
#EFF8EC
border
#CAD1C7
text
#0B1308
muted
#7C827B

Preview Lab

Preview with #21B02A

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

Preview Lab → · Contrast checker → · Palette generator →

#21B02A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva