#40C591#40C591

#40C591 is a light, vivid teal. Relative luminance 0.431; OKLCH L 73.8% C 0.138 H 163.0°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#40C591
RGB	rgb(64, 197, 145)
HSL	hsl(157, 53%, 51%)
HSV	hsv(157, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 26.4%, 22.7%)
CIE-LAB	lab(71.60, -48.13, 15.80)
CIE-LCH	lch(71.60, 50.66, 161.83°)
OKLab	oklab(73.83% -0.1321 0.0403)
OKLCH	oklch(73.83% 0.138 163)
XYZ	xyz(27.1886, 43.0638, 33.6618)
Luminance	0.4307 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C591 #C54074

analogous

#40C54E #40C591 #40B7C5

triadic

#40C591 #9140C5 #C59140

tetradic

#40C591 #4E40C5 #C54074 #B7C540

square

#40C591 #4E40C5 #C54074 #B7C540

split-complementary

#40C591 #C540B7 #C54E40

monochromatic

#206A4D #2F9970 #40C591 #6FD3AC #9EE2C7

Accessibility & contrast

On white

2.18

#40C591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#40C591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C591

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C591	#FFFFFF	#000000	##000000
##40C591	1.00	2.18	9.61	9.61
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2B78E

Deuteranopia (green-blind)

#B0AA94

Tritanopia (blue-blind)

#00C5B7

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #40c591;
/* rgb */ color: rgb(64, 197, 145);
/* oklch */ color: oklch(73.8% 0.138 163.0);

Tailwind

colors: {
  custom: {
    50: '#85d7b1',
    500: '#40c591',
    950: '#000000',
  },
}

SCSS

$custom: #40c591;
$custom-light: #85d7b1;
$custom-dark: #000000;

JSON

{
  "hex": "#40c591",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 145
  },
  "hsl": {
    "h": 156.541,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7383,
    "c": 0.13816,
    "h": 163
  },
  "luminance": 0.43067
}

Semantic roles & 50–950 ramp

primary

#40C591

secondary

#CE93AA

accent

#4B84DD

background

#F8FDFA

surface

#F0FAF5

border

#CBD3CF

text

#0C1410

muted

#7D837F

Preview Lab

Preview with #40C591

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

Preview Lab → · Contrast checker → · Palette generator →