#21A451#21A451

#21A451 is a light, vivid green. Relative luminance 0.275; OKLCH L 63.2% C 0.163 H 150.1°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#21A451
RGB	rgb(33, 164, 81)
HSL	hsl(142, 66%, 39%)
HSV	hsv(142, 80%, 64%)
CMYK	cmyk(79.9%, 0%, 50.6%, 35.7%)
CIE-LAB	lab(59.40, -52.51, 33.39)
CIE-LCH	lch(59.40, 62.23, 147.55°)
OKLab	oklab(63.24% -0.141 0.0811)
OKLCH	oklch(63.24% 0.163 150.1)
XYZ	xyz(15.3865, 27.4665, 12.2736)
Luminance	0.2747 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A451 #A42174

analogous

#32A421 #21A451 #21A492

triadic

#21A451 #5121A4 #A45121

tetradic

#21A451 #2132A4 #A42174 #A49221

square

#21A451 #2132A4 #A42174 #A49221

split-complementary

#21A451 #9221A4 #A42132

monochromatic

#0C3E1F #177138 #21A451 #2DD56B #60DF8F

Accessibility & contrast

On white

3.23

#21A451 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#21A451 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A451

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A451	#FFFFFF	#000000	##000000
##21A451	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5954A

Deuteranopia (green-blind)

#968B57

Tritanopia (blue-blind)

#00A191

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #21a451;
/* rgb */ color: rgb(33, 164, 81);
/* oklch */ color: oklch(63.2% 0.163 150.1);

Tailwind

colors: {
  custom: {
    50: '#73c083',
    500: '#21a451',
    950: '#000000',
  },
}

SCSS

$custom: #21a451;
$custom-light: #73c083;
$custom-dark: #000000;

JSON

{
  "hex": "#21a451",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 81
  },
  "hsl": {
    "h": 141.985,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63241,
    "c": 0.16264,
    "h": 150.1
  },
  "luminance": 0.27468
}

Semantic roles & 50–950 ramp

primary

#21A451

secondary

#C45D9E

accent

#3EABE9

background

#F7FBF8

surface

#EEF7EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #21A451

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

Preview Lab → · Contrast checker → · Palette generator →