#21B278#21B278

#21B278 is a light, vivid teal. Relative luminance 0.335; OKLCH L 67.7% C 0.145 H 160.1°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#21B278
RGB	rgb(33, 178, 120)
HSL	hsl(156, 69%, 41%)
HSV	hsv(156, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 32.6%, 30.2%)
CIE-LAB	lab(64.58, -50.24, 19.50)
CIE-LCH	lch(64.58, 53.89, 158.79°)
OKLab	oklab(67.73% -0.1364 0.0493)
OKLCH	oklch(67.73% 0.145 160.1)
XYZ	xyz(19.9356, 33.5177, 23.1845)
Luminance	0.3352 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B278 #B2215B

analogous

#21B230 #21B278 #21A4B2

triadic

#21B278 #7821B2 #B27821

tetradic

#21B278 #3021B2 #B2215B #A4B221

square

#21B278 #3021B2 #B2215B #A4B221

split-complementary

#21B278 #B221A4 #B23021

monochromatic

#0E4B32 #177E55 #21B278 #36DA98 #6AE3B3

Accessibility & contrast

On white

2.73

#21B278 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#21B278 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B278

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B278	#FFFFFF	#000000	##000000
##21B278	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A474

Deuteranopia (green-blind)

#9F987C

Tritanopia (blue-blind)

#00B1A3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b278;
/* rgb */ color: rgb(33, 178, 120);
/* oklch */ color: oklch(67.7% 0.145 160.1);

Tailwind

colors: {
  custom: {
    50: '#76ca9f',
    500: '#21b278',
    950: '#000000',
  },
}

SCSS

$custom: #21b278;
$custom-light: #76ca9f;
$custom-dark: #000000;

JSON

{
  "hex": "#21b278",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 120
  },
  "hsl": {
    "h": 156,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6773,
    "c": 0.14503,
    "h": 160.1
  },
  "luminance": 0.3352
}

Semantic roles & 50–950 ramp

primary

#21B278

secondary

#C9668D

accent

#3C82EC

background

#F7FCF9

surface

#EEF8F2

border

#C9D1CC

text

#0A130E

muted

#7C827E

Preview Lab

Preview with #21B278

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

Preview Lab → · Contrast checker → · Palette generator →