#21A555#21A555

#21A555 is a light, vivid green. Relative luminance 0.279; OKLCH L 63.6% C 0.160 H 151.0°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#21A555
RGB	rgb(33, 165, 85)
HSL	hsl(144, 67%, 39%)
HSV	hsv(144, 80%, 65%)
CMYK	cmyk(80%, 0%, 48.5%, 35.3%)
CIE-LAB	lab(59.79, -52.21, 31.82)
CIE-LCH	lch(59.79, 61.14, 148.64°)
OKLab	oklab(63.58% -0.1402 0.0777)
OKLCH	oklch(63.58% 0.16 151)
XYZ	xyz(15.7206, 27.8876, 13.1469)
Luminance	0.2789 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A555 #A52171

analogous

#2FA521 #21A555 #21A597

triadic

#21A555 #5521A5 #A55521

tetradic

#21A555 #212FA5 #A52171 #A59721

square

#21A555 #212FA5 #A52171 #A59721

split-complementary

#21A555 #9721A5 #A5212F

monochromatic

#0D3F20 #17723B #21A555 #2ED570 #61DF93

Accessibility & contrast

On white

3.19

#21A555 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#21A555 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A555

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A555	#FFFFFF	#000000	##000000
##21A555	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6964F

Deuteranopia (green-blind)

#978C5B

Tritanopia (blue-blind)

#00A292

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #21a555;
/* rgb */ color: rgb(33, 165, 85);
/* oklch */ color: oklch(63.6% 0.160 151.0);

Tailwind

colors: {
  custom: {
    50: '#73c186',
    500: '#21a555',
    950: '#000000',
  },
}

SCSS

$custom: #21a555;
$custom-light: #73c186;
$custom-dark: #000000;

JSON

{
  "hex": "#21a555",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 85
  },
  "hsl": {
    "h": 143.636,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63577,
    "c": 0.16027,
    "h": 151
  },
  "luminance": 0.27889
}

Semantic roles & 50–950 ramp

primary

#21A555

secondary

#C45E9C

accent

#3EA6EA

background

#F7FCF8

surface

#EEF8EF

border

#C9D1CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #21A555

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

Preview Lab → · Contrast checker → · Palette generator →