#40B170#40B170

#40B170 is a light, vivid green. Relative luminance 0.337; OKLCH L 68.0% C 0.141 H 154.5°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#40B170
RGB	rgb(64, 177, 112)
HSL	hsl(145, 47%, 47%)
HSV	hsv(145, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 36.7%, 30.6%)
CIE-LAB	lab(64.73, -46.84, 24.11)
CIE-LCH	lch(64.73, 52.68, 152.76°)
OKLab	oklab(67.98% -0.1269 0.0604)
OKLCH	oklch(67.98% 0.141 154.5)
XYZ	xyz(20.7593, 33.7020, 20.7372)
Luminance	0.3370 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B170 #B14081

analogous

#48B140 #40B170 #40B1A9

triadic

#40B170 #7040B1 #B17040

tetradic

#40B170 #4048B1 #B14081 #B1A940

square

#40B170 #4048B1 #B14081 #B1A940

split-complementary

#40B170 #A940B1 #B14048

monochromatic

#1F5737 #308454 #40B170 #66C890 #93D8B1

Accessibility & contrast

On white

2.71

#40B170 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#40B170 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B170

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B170	#FFFFFF	#000000	##000000
##40B170	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A36C

Deuteranopia (green-blind)

#A29974

Tritanopia (blue-blind)

#05AFA0

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b170;
/* rgb */ color: rgb(64, 177, 112);
/* oklch */ color: oklch(68.0% 0.141 154.5);

Tailwind

colors: {
  custom: {
    50: '#81c999',
    500: '#40b170',
    950: '#000000',
  },
}

SCSS

$custom: #40b170;
$custom-light: #81c999;
$custom-dark: #000000;

JSON

{
  "hex": "#40b170",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 112
  },
  "hsl": {
    "h": 145.487,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67979,
    "c": 0.14053,
    "h": 154.5
  },
  "luminance": 0.33704
}

Semantic roles & 50–950 ramp

primary

#40B170

secondary

#C389AB

accent

#519ED7

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B170

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

Preview Lab → · Contrast checker → · Palette generator →