#40C579#40C579

#40C579 is a light, vivid green. Relative luminance 0.424; OKLCH L 73.3% C 0.159 H 154.1°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#40C579
RGB	rgb(64, 197, 121)
HSL	hsl(146, 53%, 51%)
HSV	hsv(146, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 38.6%, 22.7%)
CIE-LAB	lab(71.15, -53.02, 27.91)
CIE-LCH	lch(71.15, 59.92, 152.24°)
OKLab	oklab(73.31% -0.1433 0.0696)
OKLCH	oklch(73.31% 0.159 154.1)
XYZ	xyz(25.5296, 42.4002, 24.9241)
Luminance	0.4240 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C579 #C5408C

analogous

#49C540 #40C579 #40C5BB

triadic

#40C579 #7940C5 #C57940

tetradic

#40C579 #4049C5 #C5408C #C5BB40

square

#40C579 #4049C5 #C5408C #C5BB40

split-complementary

#40C579 #BB40C5 #C54049

monochromatic

#206A40 #2F995C #40C579 #6FD39A #9EE2BB

Accessibility & contrast

On white

2.22

#40C579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#40C579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C579

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C579	#FFFFFF	#000000	##000000
##40C579	1.00	2.22	9.48	9.48
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B574

Deuteranopia (green-blind)

#B4A97E

Tritanopia (blue-blind)

#00C3B2

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c579;
/* rgb */ color: rgb(64, 197, 121);
/* oklch */ color: oklch(73.3% 0.159 154.1);

Tailwind

colors: {
  custom: {
    50: '#84d7a0',
    500: '#40c579',
    950: '#000000',
  },
}

SCSS

$custom: #40c579;
$custom-light: #84d7a0;
$custom-dark: #000000;

JSON

{
  "hex": "#40c579",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 121
  },
  "hsl": {
    "h": 145.714,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7331,
    "c": 0.15931,
    "h": 154.1
  },
  "luminance": 0.42403
}

Semantic roles & 50–950 ramp

primary

#40C579

secondary

#CE93B5

accent

#4B9EDD

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140F

muted

#7D837E

Preview Lab

Preview with #40C579

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

Preview Lab → · Contrast checker → · Palette generator →