#21A628#21A628

#21A628 is a light, vivid green. Relative luminance 0.277; OKLCH L 63.3% C 0.196 H 143.3°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#21A628
RGB	rgb(33, 166, 40)
HSL	hsl(123, 67%, 39%)
HSV	hsv(123, 80%, 65%)
CMYK	cmyk(80.1%, 0%, 75.9%, 34.9%)
CIE-LAB	lab(59.66, -58.06, 51.92)
CIE-LCH	lch(59.66, 77.89, 138.20°)
OKLab	oklab(63.32% -0.1573 0.1171)
OKLCH	oklch(63.32% 0.196 143.3)
XYZ	xyz(14.6455, 27.7472, 6.5910)
Luminance	0.2775 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A628 #A6219F

analogous

#5DA621 #21A628 #21A66B

triadic

#21A628 #2821A6 #A62821

tetradic

#21A628 #215DA6 #A6219F #A66B21

square

#21A628 #215DA6 #A6219F #A66B21

split-complementary

#21A628 #6B21A6 #A6215D

monochromatic

#0D400F #17731C #21A628 #2FD637 #62E068

Accessibility & contrast

On white

3.21

#21A628 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#21A628 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A628

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A628	#FFFFFF	#000000	##000000
##21A628	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9960D

Deuteranopia (green-blind)

#9B8C36

Tritanopia (blue-blind)

#00A18E

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #21a628;
/* rgb */ color: rgb(33, 166, 40);
/* oklch */ color: oklch(63.3% 0.196 143.3);

Tailwind

colors: {
  custom: {
    50: '#76c26b',
    500: '#21a628',
    950: '#000000',
  },
}

SCSS

$custom: #21a628;
$custom-light: #76c26b;
$custom-dark: #000000;

JSON

{
  "hex": "#21a628",
  "rgb": {
    "r": 33,
    "g": 166,
    "b": 40
  },
  "hsl": {
    "h": 123.158,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.63324,
    "c": 0.19606,
    "h": 143.3
  },
  "luminance": 0.27749
}

Semantic roles & 50–950 ramp

primary

#21A628

secondary

#C55EBF

accent

#3EE1EA

background

#F7FCF6

surface

#EEF8EC

border

#C9D1C7

text

#0A1207

muted

#7C817A

Preview Lab

Preview with #21A628

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

Preview Lab → · Contrast checker → · Palette generator →