#40C57D#40C57D

#40C57D is a light, vivid green. Relative luminance 0.425; OKLCH L 73.4% C 0.156 H 155.3°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#40C57D
RGB	rgb(64, 197, 125)
HSL	hsl(148, 53%, 51%)
HSV	hsv(148, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 36.5%, 22.7%)
CIE-LAB	lab(71.21, -52.27, 25.91)
CIE-LCH	lch(71.21, 58.34, 153.64°)
OKLab	oklab(73.39% -0.1414 0.0649)
OKLCH	oklch(73.39% 0.156 155.3)
XYZ	xyz(25.7799, 42.5004, 26.2428)
Luminance	0.4250 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C57D #C54088

analogous

#45C540 #40C57D #40C5C0

triadic

#40C57D #7D40C5 #C57D40

tetradic

#40C57D #4045C5 #C54088 #C5C040

square

#40C57D #4045C5 #C54088 #C5C040

split-complementary

#40C57D #C040C5 #C54045

monochromatic

#206A42 #2F995F #40C57D #6FD39D #9EE2BD

Accessibility & contrast

On white

2.21

#40C57D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#40C57D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C57D

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C57D	#FFFFFF	#000000	##000000
##40C57D	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B678

Deuteranopia (green-blind)

#B3AA82

Tritanopia (blue-blind)

#00C3B3

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c57d;
/* rgb */ color: rgb(64, 197, 125);
/* oklch */ color: oklch(73.4% 0.156 155.3);

Tailwind

colors: {
  custom: {
    50: '#84d7a3',
    500: '#40c57d',
    950: '#000000',
  },
}

SCSS

$custom: #40c57d;
$custom-light: #84d7a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40c57d",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 125
  },
  "hsl": {
    "h": 147.519,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73389,
    "c": 0.15564,
    "h": 155.3
  },
  "luminance": 0.42503
}

Semantic roles & 50–950 ramp

primary

#40C57D

secondary

#CE93B3

accent

#4B9ADD

background

#F8FDFA

surface

#F0FAF4

border

#CBD3CE

text

#0C140F

muted

#7D837F

Preview Lab

Preview with #40C57D

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

Preview Lab → · Contrast checker → · Palette generator →