#40C778#40C778

#40C778 is a light, vivid green. Relative luminance 0.433; OKLCH L 73.8% C 0.163 H 153.5°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#40C778
RGB	rgb(64, 199, 120)
HSL	hsl(145, 55%, 52%)
HSV	hsv(145, 68%, 78%)
CMYK	cmyk(67.8%, 0%, 39.7%, 22%)
CIE-LAB	lab(71.75, -53.97, 29.23)
CIE-LCH	lch(71.75, 61.38, 151.56°)
OKLab	oklab(73.8% -0.1457 0.0728)
OKLCH	oklch(73.8% 0.163 153.5)
XYZ	xyz(25.9257, 43.2901, 24.7552)
Luminance	0.4329 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C778 #C7408F

analogous

#4CC740 #40C778 #40C7BC

triadic

#40C778 #7840C7 #C77840

tetradic

#40C778 #404CC7 #C7408F #C7BC40

square

#40C778 #404CC7 #C7408F #C7BC40

split-complementary

#40C778 #BC40C7 #C7404C

monochromatic

#206D40 #2E9C5C #40C778 #6FD599 #9FE3BB

Accessibility & contrast

On white

2.17

#40C778 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#40C778 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C778

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C778	#FFFFFF	#000000	##000000
##40C778	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B773

Deuteranopia (green-blind)

#B6AB7D

Tritanopia (blue-blind)

#00C5B3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40c778;
/* rgb */ color: rgb(64, 199, 120);
/* oklch */ color: oklch(73.8% 0.163 153.5);

Tailwind

colors: {
  custom: {
    50: '#85d99f',
    500: '#40c778',
    950: '#000000',
  },
}

SCSS

$custom: #40c778;
$custom-light: #85d99f;
$custom-dark: #000000;

JSON

{
  "hex": "#40c778",
  "rgb": {
    "r": 64,
    "g": 199,
    "b": 120
  },
  "hsl": {
    "h": 144.889,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.73803,
    "c": 0.16288,
    "h": 153.5
  },
  "luminance": 0.43293
}

Semantic roles & 50–950 ramp

primary

#40C778

secondary

#CF94B6

accent

#4AA1DE

background

#F8FDF9

surface

#F0FBF2

border

#CBD4CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #40C778

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

Preview Lab → · Contrast checker → · Palette generator →