#21A557#21A557

#21A557 is a light, vivid green. Relative luminance 0.279; OKLCH L 63.6% C 0.158 H 151.6°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#21A557
RGB	rgb(33, 165, 87)
HSL	hsl(145, 67%, 39%)
HSV	hsv(145, 80%, 65%)
CMYK	cmyk(80%, 0%, 47.3%, 35.3%)
CIE-LAB	lab(59.82, -51.87, 30.81)
CIE-LCH	lch(59.82, 60.33, 149.29°)
OKLab	oklab(63.61% -0.1393 0.0755)
OKLCH	oklch(63.61% 0.158 151.6)
XYZ	xyz(15.8012, 27.9198, 13.5713)
Luminance	0.2792 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A557 #A5216F

analogous

#2DA521 #21A557 #21A599

triadic

#21A557 #5721A5 #A55721

tetradic

#21A557 #212DA5 #A5216F #A59921

square

#21A557 #212DA5 #A5216F #A59921

split-complementary

#21A557 #9921A5 #A5212D

monochromatic

#0D3F21 #17723C #21A557 #2ED572 #61DF95

Accessibility & contrast

On white

3.19

#21A557 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#21A557 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A557

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A557	#FFFFFF	#000000	##000000
##21A557	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)

#A69651

Deuteranopia (green-blind)

#978C5D

Tritanopia (blue-blind)

#00A292

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #21a557;
/* rgb */ color: rgb(33, 165, 87);
/* oklch */ color: oklch(63.6% 0.158 151.6);

Tailwind

colors: {
  custom: {
    50: '#73c187',
    500: '#21a557',
    950: '#000000',
  },
}

SCSS

$custom: #21a557;
$custom-light: #73c187;
$custom-dark: #000000;

JSON

{
  "hex": "#21a557",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 87
  },
  "hsl": {
    "h": 144.545,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63611,
    "c": 0.15843,
    "h": 151.6
  },
  "luminance": 0.27922
}

Semantic roles & 50–950 ramp

primary

#21A557

secondary

#C45E9A

accent

#3EA3EA

background

#F7FCF8

surface

#EEF8F0

border

#C9D1CB

text

#09120B

muted

#7B817C

Preview Lab

Preview with #21A557

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

Preview Lab → · Contrast checker → · Palette generator →