#21ADA5#21ADA5

#21ADA5 is a light, moderate teal. Relative luminance 0.329; OKLCH L 67.7% C 0.111 H 188.8°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX#21ADA5
RGBrgb(33, 173, 165)
HSLhsl(177, 68%, 40%)
HSVhsv(177, 81%, 68%)
CMYKcmyk(80.9%, 0%, 4.6%, 32.2%)
CIE-LABlab(64.10, -36.60, -6.05)
CIE-LCHlch(64.10, 37.10, 189.38°)
OKLaboklab(67.7% -0.11 -0.017)
OKLCHoklch(67.7% 0.111 188.8)
XYZxyz(22.3590, 32.9243, 40.7666)
Luminance0.3293 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21ADA5 #AD2129
analogous
#21AD5F #21ADA5 #216FAD
triadic
#21ADA5 #A521AD #ADA521
tetradic
#21ADA5 #5F21AD #AD2129 #6FAD21
square
#21ADA5 #5F21AD #AD2129 #6FAD21
split-complementary
#21ADA5 #AD216F #AD5F21
monochromatic
#0D4643 #177A74 #21ADA5 #33D8CF #66E2DB

Accessibility & contrast

On white

2.77
#21ADA5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.59
#21ADA5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ADA5
7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21ADA5#FFFFFF#000000##000000
##21ADA51.002.777.597.59
#FFFFFF2.771.0021.0021.00
#0000007.5921.001.001.00
##0000007.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3A3A5
Deuteranopia (green-blind)
#9096A6
Tritanopia (blue-blind)
#00B2AA
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #21ada5;
/* rgb */ color: rgb(33, 173, 165);
/* oklch */ color: oklch(67.7% 0.111 188.8);
Tailwind
colors: {
  custom: {
    50: '#78c6bf',
    500: '#21ada5',
    950: '#000000',
  },
}
SCSS
$custom: #21ada5;
$custom-light: #78c6bf;
$custom-dark: #000000;
JSON
{
  "hex": "#21ada5",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 165
  },
  "hsl": {
    "h": 176.571,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.67701,
    "c": 0.11129,
    "h": 188.8
  },
  "luminance": 0.32927
}

Semantic roles & 50–950 ramp

primary
#21ADA5
secondary
#C76268
accent
#3D47EB
background
#F8FCFB
surface
#EFF8F7
border
#CAD1D0
text
#0B1312
muted
#7C8281

Preview Lab

Preview with #21ADA5

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

Preview Lab → · Contrast checker → · Palette generator →

#21ADA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva