#40C57A#40C57A

#40C57A is a light, vivid green. Relative luminance 0.424; OKLCH L 73.3% C 0.158 H 154.4°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#40C57A
RGB	rgb(64, 197, 122)
HSL	hsl(146, 53%, 51%)
HSV	hsv(146, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 38.1%, 22.7%)
CIE-LAB	lab(71.16, -52.84, 27.41)
CIE-LCH	lch(71.16, 59.52, 152.58°)
OKLab	oklab(73.33% -0.1428 0.0685)
OKLCH	oklch(73.33% 0.158 154.4)
XYZ	xyz(25.5912, 42.4249, 25.2487)
Luminance	0.4243 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C57A #C5408B

analogous

#48C540 #40C57A #40C5BC

triadic

#40C57A #7A40C5 #C57A40

tetradic

#40C57A #4048C5 #C5408B #C5BC40

square

#40C57A #4048C5 #C5408B #C5BC40

split-complementary

#40C57A #BC40C5 #C54048

monochromatic

#206A41 #2F995D #40C57A #6FD39B #9EE2BB

Accessibility & contrast

On white

2.21

#40C57A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#40C57A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C57A

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C57A	#FFFFFF	#000000	##000000
##40C57A	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B575

Deuteranopia (green-blind)

#B4A97F

Tritanopia (blue-blind)

#00C3B2

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c57a;
/* rgb */ color: rgb(64, 197, 122);
/* oklch */ color: oklch(73.3% 0.158 154.4);

Tailwind

colors: {
  custom: {
    50: '#84d7a1',
    500: '#40c57a',
    950: '#000000',
  },
}

SCSS

$custom: #40c57a;
$custom-light: #84d7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#40c57a",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 122
  },
  "hsl": {
    "h": 146.165,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73329,
    "c": 0.15839,
    "h": 154.4
  },
  "luminance": 0.42428
}

Semantic roles & 50–950 ramp

primary

#40C57A

secondary

#CE93B4

accent

#4B9DDD

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140F

muted

#7D837E

Preview Lab

Preview with #40C57A

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

Preview Lab → · Contrast checker → · Palette generator →