#40C577#40C577

#40C577 is a light, vivid green. Relative luminance 0.424; OKLCH L 73.3% C 0.161 H 153.5°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#40C577
RGB	rgb(64, 197, 119)
HSL	hsl(145, 53%, 51%)
HSV	hsv(145, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 39.6%, 22.7%)
CIE-LAB	lab(71.11, -53.39, 28.91)
CIE-LCH	lch(71.11, 60.71, 151.57°)
OKLab	oklab(73.27% -0.1442 0.072)
OKLCH	oklch(73.27% 0.161 153.5)
XYZ	xyz(25.4082, 42.3516, 24.2848)
Luminance	0.4235 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C577 #C5408E

analogous

#4BC540 #40C577 #40C5B9

triadic

#40C577 #7740C5 #C57740

tetradic

#40C577 #404BC5 #C5408E #C5B940

square

#40C577 #404BC5 #C5408E #C5B940

split-complementary

#40C577 #B940C5 #C5404B

monochromatic

#206A3F #2F995B #40C577 #6FD398 #9EE2BA

Accessibility & contrast

On white

2.22

#40C577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.47

#40C577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C577

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C577	#FFFFFF	#000000	##000000
##40C577	1.00	2.22	9.47	9.47
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.47	21.00	1.00	1.00
##000000	9.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B572

Deuteranopia (green-blind)

#B4A97C

Tritanopia (blue-blind)

#00C3B1

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c577;
/* rgb */ color: rgb(64, 197, 119);
/* oklch */ color: oklch(73.3% 0.161 153.5);

Tailwind

colors: {
  custom: {
    50: '#84d89f',
    500: '#40c577',
    950: '#000000',
  },
}

SCSS

$custom: #40c577;
$custom-light: #84d89f;
$custom-dark: #000000;

JSON

{
  "hex": "#40c577",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 119
  },
  "hsl": {
    "h": 144.812,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73272,
    "c": 0.16115,
    "h": 153.5
  },
  "luminance": 0.42354
}

Semantic roles & 50–950 ramp

primary

#40C577

secondary

#CE93B5

accent

#4BA1DD

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #40C577

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

Preview Lab → · Contrast checker → · Palette generator →