#40A581#40A581

#40A581 is a light, moderate teal. Relative luminance 0.296; OKLCH L 65.3% C 0.109 H 166.3°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#40A581
RGB	rgb(64, 165, 129)
HSL	hsl(159, 44%, 45%)
HSV	hsv(159, 61%, 65%)
CMYK	cmyk(61.2%, 0%, 21.8%, 35.3%)
CIE-LAB	lab(61.29, -38.11, 10.07)
CIE-LCH	lch(61.29, 39.42, 165.20°)
OKLab	oklab(65.28% -0.1058 0.0258)
OKLCH	oklch(65.28% 0.109 166.3)
XYZ	xyz(19.5300, 29.5833, 25.4455)
Luminance	0.2959 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A581 #A54064

analogous

#40A54F #40A581 #4097A5

triadic

#40A581 #8140A5 #A58140

tetradic

#40A581 #4F40A5 #A54064 #97A540

square

#40A581 #4F40A5 #A54064 #97A540

split-complementary

#40A581 #A54097 #A54F40

monochromatic

#1E4D3C #2F795F #40A581 #61C29F #8DD3BA

Accessibility & contrast

On white

3.04

#40A581 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#40A581 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A581

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A581	#FFFFFF	#000000	##000000
##40A581	1.00	3.04	6.92	6.92
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29A7F

Deuteranopia (green-blind)

#939083

Tritanopia (blue-blind)

#00A59B

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #40a581;
/* rgb */ color: rgb(64, 165, 129);
/* oklch */ color: oklch(65.3% 0.109 166.3);

Tailwind

colors: {
  custom: {
    50: '#7fc0a5',
    500: '#40a581',
    950: '#000000',
  },
}

SCSS

$custom: #40a581;
$custom-light: #7fc0a5;
$custom-dark: #000000;

JSON

{
  "hex": "#40a581",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 129
  },
  "hsl": {
    "h": 158.614,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.65281,
    "c": 0.10895,
    "h": 166.3
  },
  "luminance": 0.29585
}

Semantic roles & 50–950 ramp

primary

#40A581

secondary

#BE8398

accent

#5482D4

background

#F8FBFA

surface

#EFF7F4

border

#CAD0CE

text

#0B120F

muted

#7C817F

Preview Lab

Preview with #40A581

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

Preview Lab → · Contrast checker → · Palette generator →