#40B879#40B879

#40B879 is a light, vivid green. Relative luminance 0.368; OKLCH L 70.0% C 0.142 H 156.5°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#40B879
RGB	rgb(64, 184, 121)
HSL	hsl(149, 48%, 49%)
HSV	hsv(149, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 34.2%, 27.8%)
CIE-LAB	lab(67.09, -47.90, 22.47)
CIE-LCH	lch(67.09, 52.91, 154.87°)
OKLab	oklab(69.97% -0.13 0.0566)
OKLCH	oklch(69.97% 0.142 156.5)
XYZ	xyz(22.7040, 36.7490, 23.9822)
Luminance	0.3675 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B879 #B8407F

analogous

#43B840 #40B879 #40B8B5

triadic

#40B879 #7940B8 #B87940

tetradic

#40B879 #4043B8 #B8407F #B8B540

square

#40B879 #4043B8 #B8407F #B8B540

split-complementary

#40B879 #B540B8 #B84043

monochromatic

#205D3D #308B5B #40B879 #6ACB98 #97DBB8

Accessibility & contrast

On white

2.51

#40B879 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#40B879 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B879

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B879	#FFFFFF	#000000	##000000
##40B879	1.00	2.51	8.35	8.35
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7AA75

Deuteranopia (green-blind)

#A79F7D

Tritanopia (blue-blind)

#00B6A8

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b879;
/* rgb */ color: rgb(64, 184, 121);
/* oklch */ color: oklch(70.0% 0.142 156.5);

Tailwind

colors: {
  custom: {
    50: '#82cea0',
    500: '#40b879',
    950: '#000000',
  },
}

SCSS

$custom: #40b879;
$custom-light: #82cea0;
$custom-dark: #000000;

JSON

{
  "hex": "#40b879",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 121
  },
  "hsl": {
    "h": 148.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.69973,
    "c": 0.1418,
    "h": 156.5
  },
  "luminance": 0.36751
}

Semantic roles & 50–950 ramp

primary

#40B879

secondary

#C78DAB

accent

#5097D8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C140E

muted

#7D827E

Preview Lab

Preview with #40B879

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

Preview Lab → · Contrast checker → · Palette generator →