#21B388#21B388

#21B388 is a light, vivid teal. Relative luminance 0.343; OKLCH L 68.4% C 0.133 H 167.1°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#21B388
RGB	rgb(33, 179, 136)
HSL	hsl(162, 69%, 42%)
HSV	hsv(162, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 24%, 29.8%)
CIE-LAB	lab(65.23, -46.96, 11.67)
CIE-LCH	lch(65.23, 48.39, 166.04°)
OKLab	oklab(68.38% -0.1296 0.0298)
OKLCH	oklch(68.38% 0.133 167.1)
XYZ	xyz(21.1887, 34.3384, 28.7990)
Luminance	0.3434 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B388 #B3214C

analogous

#21B33F #21B388 #2195B3

triadic

#21B388 #8821B3 #B38821

tetradic

#21B388 #3F21B3 #B3214C #95B321

square

#21B388 #3F21B3 #B3214C #95B321

split-complementary

#21B388 #B32195 #B33F21

monochromatic

#0E4C39 #177F61 #21B388 #37DAAA #6BE4C0

Accessibility & contrast

On white

2.67

#21B388 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#21B388 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B388

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B388	#FFFFFF	#000000	##000000
##21B388	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFA686

Deuteranopia (green-blind)

#9D998B

Tritanopia (blue-blind)

#00B4A7

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b388;
/* rgb */ color: rgb(33, 179, 136);
/* oklch */ color: oklch(68.4% 0.133 167.1);

Tailwind

colors: {
  custom: {
    50: '#77cbaa',
    500: '#21b388',
    950: '#000000',
  },
}

SCSS

$custom: #21b388;
$custom-light: #77cbaa;
$custom-dark: #000000;

JSON

{
  "hex": "#21b388",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 136
  },
  "hsl": {
    "h": 162.329,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68378,
    "c": 0.13302,
    "h": 167.1
  },
  "luminance": 0.34341
}

Semantic roles & 50–950 ramp

primary

#21B388

secondary

#CA6683

accent

#3C70EC

background

#F8FCFA

surface

#EFF9F4

border

#CAD2CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B388

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

Preview Lab → · Contrast checker → · Palette generator →