#40C781#40C781

#40C781 is a light, vivid green. Relative luminance 0.435; OKLCH L 74.0% C 0.155 H 156.3°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#40C781
RGB	rgb(64, 199, 129)
HSL	hsl(149, 55%, 52%)
HSV	hsv(149, 68%, 78%)
CMYK	cmyk(67.8%, 0%, 35.2%, 22%)
CIE-LAB	lab(71.91, -52.27, 24.73)
CIE-LCH	lch(71.91, 57.83, 154.68°)
OKLab	oklab(73.98% -0.1416 0.0622)
OKLCH	oklch(73.98% 0.155 156.3)
XYZ	xyz(26.4978, 43.5189, 27.7681)
Luminance	0.4352 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C781 #C74086

analogous

#43C740 #40C781 #40C7C5

triadic

#40C781 #8140C7 #C78140

tetradic

#40C781 #4043C7 #C74086 #C7C540

square

#40C781 #4043C7 #C74086 #C7C540

split-complementary

#40C781 #C540C7 #C74043

monochromatic

#206D45 #2E9C63 #40C781 #6FD5A0 #9FE3BF

Accessibility & contrast

On white

2.16

#40C781 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#40C781 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C781

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C781	#FFFFFF	#000000	##000000
##40C781	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B87C

Deuteranopia (green-blind)

#B5AB86

Tritanopia (blue-blind)

#00C5B5

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40c781;
/* rgb */ color: rgb(64, 199, 129);
/* oklch */ color: oklch(74.0% 0.155 156.3);

Tailwind

colors: {
  custom: {
    50: '#85d9a6',
    500: '#40c781',
    950: '#000000',
  },
}

SCSS

$custom: #40c781;
$custom-light: #85d9a6;
$custom-dark: #000000;

JSON

{
  "hex": "#40c781",
  "rgb": {
    "r": 64,
    "g": 199,
    "b": 129
  },
  "hsl": {
    "h": 148.889,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.73981,
    "c": 0.15467,
    "h": 156.3
  },
  "luminance": 0.43522
}

Semantic roles & 50–950 ramp

primary

#40C781

secondary

#CF94B3

accent

#4A97DE

background

#F8FDFA

surface

#F0FBF4

border

#CBD4CE

text

#0C150F

muted

#7D837F

Preview Lab

Preview with #40C781

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

Preview Lab → · Contrast checker → · Palette generator →