#40A178#40A178

#40A178 is a light, moderate teal. Relative luminance 0.279; OKLCH L 64.0% C 0.111 H 162.5°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#40A178
RGB	rgb(64, 161, 120)
HSL	hsl(155, 43%, 44%)
HSV	hsv(155, 60%, 63%)
CMYK	cmyk(60.2%, 0%, 25.5%, 36.9%)
CIE-LAB	lab(59.83, -38.41, 13.03)
CIE-LCH	lch(59.83, 40.56, 161.26°)
OKLab	oklab(64.02% -0.1057 0.0333)
OKLCH	oklch(64.02% 0.111 162.5)
XYZ	xyz(18.2477, 27.9340, 22.1958)
Luminance	0.2794 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A178 #A14069

analogous

#40A148 #40A178 #409AA1

triadic

#40A178 #7840A1 #A17840

tetradic

#40A178 #4840A1 #A14069 #9AA140

square

#40A178 #4840A1 #A14069 #9AA140

split-complementary

#40A178 #A1409A #A14840

monochromatic

#1D4937 #2F7557 #40A178 #5FBF97 #8BD1B3

Accessibility & contrast

On white

3.19

#40A178 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#40A178 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A178

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A178	#FFFFFF	#000000	##000000
##40A178	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F9676

Deuteranopia (green-blind)

#918C7B

Tritanopia (blue-blind)

#0BA196

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #40a178;
/* rgb */ color: rgb(64, 161, 120);
/* oklch */ color: oklch(64.0% 0.111 162.5);

Tailwind

colors: {
  custom: {
    50: '#7ebd9f',
    500: '#40a178',
    950: '#000000',
  },
}

SCSS

$custom: #40a178;
$custom-light: #7ebd9f;
$custom-dark: #000000;

JSON

{
  "hex": "#40a178",
  "rgb": {
    "r": 64,
    "g": 161,
    "b": 120
  },
  "hsl": {
    "h": 154.639,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.64018,
    "c": 0.11087,
    "h": 162.5
  },
  "luminance": 0.27936
}

Semantic roles & 50–950 ramp

primary

#40A178

secondary

#BC819A

accent

#558AD3

background

#F8FBF9

surface

#EFF7F2

border

#CAD0CC

text

#0B120E

muted

#7C817E

Preview Lab

Preview with #40A178

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

Preview Lab → · Contrast checker → · Palette generator →