#21BC54#21BC54

#21BC54 is a light, vivid green. Relative luminance 0.369; OKLCH L 69.7% C 0.190 H 148.5°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#21BC54
RGBrgb(33, 188, 84)
HSLhsl(140, 70%, 43%)
HSVhsv(140, 82%, 74%)
CMYKcmyk(82.4%, 0%, 55.3%, 26.3%)
CIE-LABlab(67.22, -60.29, 41.48)
CIE-LCHlch(67.22, 73.18, 145.47°)
OKLaboklab(69.74% -0.1618 0.0992)
OKLCHoklch(69.74% 0.19 148.5)
XYZxyz(20.2090, 36.9274, 14.4484)
Luminance0.3693 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BC54 #BC2189
analogous
#3BBC21 #21BC54 #21BCA1
triadic
#21BC54 #5421BC #BC5421
tetradic
#21BC54 #213BBC #BC2189 #BCA121
square
#21BC54 #213BBC #BC2189 #BCA121
split-complementary
#21BC54 #A121BC #BC213B
monochromatic
#0F5425 #18883D #21BC54 #3DDD72 #71E698

Accessibility & contrast

On white

2.50
#21BC54 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.39
#21BC54 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC54
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BC54#FFFFFF#000000##000000
##21BC541.002.508.398.39
#FFFFFF2.501.0021.0021.00
#0000008.3921.001.001.00
##0000008.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEAB4A
Deuteranopia (green-blind)
#AD9F5C
Tritanopia (blue-blind)
#00B8A5
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #21bc54;
/* rgb */ color: rgb(33, 188, 84);
/* oklch */ color: oklch(69.7% 0.190 148.5);
Tailwind
colors: {
  custom: {
    50: '#79d187',
    500: '#21bc54',
    950: '#000000',
  },
}
SCSS
$custom: #21bc54;
$custom-light: #79d187;
$custom-dark: #000000;
JSON
{
  "hex": "#21bc54",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 84
  },
  "hsl": {
    "h": 139.742,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69736,
    "c": 0.18983,
    "h": 148.5
  },
  "luminance": 0.3693
}

Semantic roles & 50–950 ramp

primary
#21BC54
secondary
#CD6CAD
accent
#3BB2ED
background
#F8FDF8
surface
#EFFAF0
border
#CAD3CB
text
#0B140B
muted
#7C837C

Preview Lab

Preview with #21BC54

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

Preview Lab → · Contrast checker → · Palette generator →

#21BC54 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva