#40C57F#40C57F

#40C57F is a light, vivid green. Relative luminance 0.426; OKLCH L 73.4% C 0.154 H 156.0°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#40C57F
RGB	rgb(64, 197, 127)
HSL	hsl(148, 53%, 51%)
HSV	hsv(148, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 35.5%, 22.7%)
CIE-LAB	lab(71.25, -51.88, 24.90)
CIE-LCH	lch(71.25, 57.55, 154.36°)
OKLab	oklab(73.43% -0.1405 0.0626)
OKLCH	oklch(73.43% 0.154 156)
XYZ	xyz(25.9090, 42.5520, 26.9225)
Luminance	0.4255 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C57F #C54086

analogous

#43C540 #40C57F #40C5C1

triadic

#40C57F #7F40C5 #C57F40

tetradic

#40C57F #4043C5 #C54086 #C5C140

square

#40C57F #4043C5 #C54086 #C5C140

split-complementary

#40C57F #C140C5 #C54043

monochromatic

#206A43 #2F9961 #40C57F #6FD39E #9EE2BE

Accessibility & contrast

On white

2.21

#40C57F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#40C57F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C57F

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C57F	#FFFFFF	#000000	##000000
##40C57F	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B67A

Deuteranopia (green-blind)

#B3AA84

Tritanopia (blue-blind)

#00C3B3

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c57f;
/* rgb */ color: rgb(64, 197, 127);
/* oklch */ color: oklch(73.4% 0.154 156.0);

Tailwind

colors: {
  custom: {
    50: '#84d7a4',
    500: '#40c57f',
    950: '#000000',
  },
}

SCSS

$custom: #40c57f;
$custom-light: #84d7a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40c57f",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 127
  },
  "hsl": {
    "h": 148.421,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73429,
    "c": 0.15382,
    "h": 156
  },
  "luminance": 0.42555
}

Semantic roles & 50–950 ramp

primary

#40C57F

secondary

#CE93B2

accent

#4B98DD

background

#F8FDFA

surface

#F0FAF4

border

#CBD3CE

text

#0C140F

muted

#7D837F

Preview Lab

Preview with #40C57F

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

Preview Lab → · Contrast checker → · Palette generator →