#40C57E#40C57E

#40C57E is a light, vivid green. Relative luminance 0.425; OKLCH L 73.4% C 0.155 H 155.7°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#40C57E
RGB	rgb(64, 197, 126)
HSL	hsl(148, 53%, 51%)
HSV	hsv(148, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 36%, 22.7%)
CIE-LAB	lab(71.23, -52.08, 25.40)
CIE-LCH	lch(71.23, 57.94, 154.00°)
OKLab	oklab(73.41% -0.141 0.0638)
OKLCH	oklch(73.41% 0.155 155.7)
XYZ	xyz(25.8442, 42.5260, 26.5809)
Luminance	0.4253 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C57E #C54087

analogous

#44C540 #40C57E #40C5C0

triadic

#40C57E #7E40C5 #C57E40

tetradic

#40C57E #4044C5 #C54087 #C5C040

square

#40C57E #4044C5 #C54087 #C5C040

split-complementary

#40C57E #C040C5 #C54044

monochromatic

#206A43 #2F9960 #40C57E #6FD39E #9EE2BD

Accessibility & contrast

On white

2.21

#40C57E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#40C57E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C57E

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C57E	#FFFFFF	#000000	##000000
##40C57E	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)

#C4B679

Deuteranopia (green-blind)

#B3AA83

Tritanopia (blue-blind)

#00C3B3

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c57e;
/* rgb */ color: rgb(64, 197, 126);
/* oklch */ color: oklch(73.4% 0.155 155.7);

Tailwind

colors: {
  custom: {
    50: '#84d7a4',
    500: '#40c57e',
    950: '#000000',
  },
}

SCSS

$custom: #40c57e;
$custom-light: #84d7a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40c57e",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 126
  },
  "hsl": {
    "h": 147.97,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73409,
    "c": 0.15474,
    "h": 155.7
  },
  "luminance": 0.42529
}

Semantic roles & 50–950 ramp

primary

#40C57E

secondary

#CE93B2

accent

#4B99DD

background

#F8FDFA

surface

#F0FAF4

border

#CBD3CE

text

#0C140F

muted

#7D837F

Preview Lab

Preview with #40C57E

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

Preview Lab → · Contrast checker → · Palette generator →