#40B77B#40B77B

#40B77B is a light, vivid green. Relative luminance 0.364; OKLCH L 69.8% C 0.139 H 157.5°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#40B77B
RGB	rgb(64, 183, 123)
HSL	hsl(150, 48%, 48%)
HSV	hsv(150, 65%, 72%)
CMYK	cmyk(65%, 0%, 32.8%, 28.2%)
CIE-LAB	lab(66.81, -47.10, 21.03)
CIE-LCH	lch(66.81, 51.58, 155.94°)
OKLab	oklab(69.76% -0.128 0.0531)
OKLCH	oklch(69.76% 0.139 157.5)
XYZ	xyz(22.6209, 36.3846, 24.5658)
Luminance	0.3639 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B77B #B7407C

analogous

#40B740 #40B77B #40B7B6

triadic

#40B77B #7B40B7 #B77B40

tetradic

#40B77B #4040B7 #B7407C #B7B640

square

#40B77B #4040B7 #B7407C #B7B640

split-complementary

#40B77B #B640B7 #B74040

monochromatic

#205C3E #308A5D #40B77B #69CB9A #97DBB8

Accessibility & contrast

On white

2.54

#40B77B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#40B77B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B77B

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B77B	#FFFFFF	#000000	##000000
##40B77B	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A977

Deuteranopia (green-blind)

#A69E7F

Tritanopia (blue-blind)

#00B6A7

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b77b;
/* rgb */ color: rgb(64, 183, 123);
/* oklch */ color: oklch(69.8% 0.139 157.5);

Tailwind

colors: {
  custom: {
    50: '#82cda1',
    500: '#40b77b',
    950: '#000000',
  },
}

SCSS

$custom: #40b77b;
$custom-light: #82cda1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b77b",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 123
  },
  "hsl": {
    "h": 149.748,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69759,
    "c": 0.13861,
    "h": 157.5
  },
  "luminance": 0.36387
}

Semantic roles & 50–950 ramp

primary

#40B77B

secondary

#C68DAA

accent

#5094D8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C140F

muted

#7D827E

Preview Lab

Preview with #40B77B

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

Preview Lab → · Contrast checker → · Palette generator →