#40C77B#40C77B

#40C77B is a light, vivid green. Relative luminance 0.434; OKLCH L 73.9% C 0.160 H 154.4°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#40C77B
RGB	rgb(64, 199, 123)
HSL	hsl(146, 55%, 52%)
HSV	hsv(146, 68%, 78%)
CMYK	cmyk(67.8%, 0%, 38.2%, 22%)
CIE-LAB	lab(71.80, -53.42, 27.73)
CIE-LCH	lch(71.80, 60.19, 152.56°)
OKLab	oklab(73.86% -0.1444 0.0693)
OKLCH	oklch(73.86% 0.16 154.4)
XYZ	xyz(26.1106, 43.3640, 25.7291)
Luminance	0.4337 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C77B #C7408C

analogous

#49C740 #40C77B #40C7BF

triadic

#40C77B #7B40C7 #C77B40

tetradic

#40C77B #4049C7 #C7408C #C7BF40

square

#40C77B #4049C7 #C7408C #C7BF40

split-complementary

#40C77B #BF40C7 #C74049

monochromatic

#206D41 #2E9C5E #40C77B #6FD59C #9FE3BC

Accessibility & contrast

On white

2.17

#40C77B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#40C77B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C77B

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C77B	#FFFFFF	#000000	##000000
##40C77B	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B776

Deuteranopia (green-blind)

#B6AB80

Tritanopia (blue-blind)

#00C5B4

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40c77b;
/* rgb */ color: rgb(64, 199, 123);
/* oklch */ color: oklch(73.9% 0.160 154.4);

Tailwind

colors: {
  custom: {
    50: '#85d9a2',
    500: '#40c77b',
    950: '#000000',
  },
}

SCSS

$custom: #40c77b;
$custom-light: #85d9a2;
$custom-dark: #000000;

JSON

{
  "hex": "#40c77b",
  "rgb": {
    "r": 64,
    "g": 199,
    "b": 123
  },
  "hsl": {
    "h": 146.222,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.7386,
    "c": 0.16013,
    "h": 154.4
  },
  "luminance": 0.43367
}

Semantic roles & 50–950 ramp

primary

#40C77B

secondary

#CF94B5

accent

#4A9DDE

background

#F8FDFA

surface

#F0FBF3

border

#CBD4CD

text

#0C150F

muted

#7D837F

Preview Lab

Preview with #40C77B

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

Preview Lab → · Contrast checker → · Palette generator →