#40B780#40B780

#40B780 is a light, vivid teal. Relative luminance 0.365; OKLCH L 69.9% C 0.134 H 159.6°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#40B780
RGB	rgb(64, 183, 128)
HSL	hsl(152, 48%, 48%)
HSV	hsv(152, 65%, 72%)
CMYK	cmyk(65%, 0%, 30.1%, 28.2%)
CIE-LAB	lab(66.91, -46.06, 18.46)
CIE-LCH	lch(66.91, 49.62, 158.16°)
OKLab	oklab(69.87% -0.1257 0.0469)
OKLCH	oklch(69.87% 0.134 159.6)
XYZ	xyz(22.9419, 36.5130, 26.2566)
Luminance	0.3651 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B780 #B74077

analogous

#40B744 #40B780 #40B2B7

triadic

#40B780 #8040B7 #B78040

tetradic

#40B780 #4440B7 #B74077 #B2B740

square

#40B780 #4440B7 #B74077 #B2B740

split-complementary

#40B780 #B740B2 #B74440

monochromatic

#205C41 #308A60 #40B780 #69CB9E #97DBBB

Accessibility & contrast

On white

2.53

#40B780 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#40B780 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B780

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B780	#FFFFFF	#000000	##000000
##40B780	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5AA7D

Deuteranopia (green-blind)

#A59E84

Tritanopia (blue-blind)

#00B6A8

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b780;
/* rgb */ color: rgb(64, 183, 128);
/* oklch */ color: oklch(69.9% 0.134 159.6);

Tailwind

colors: {
  custom: {
    50: '#82cda5',
    500: '#40b780',
    950: '#000000',
  },
}

SCSS

$custom: #40b780;
$custom-light: #82cda5;
$custom-dark: #000000;

JSON

{
  "hex": "#40b780",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 128
  },
  "hsl": {
    "h": 152.269,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69871,
    "c": 0.13412,
    "h": 159.6
  },
  "luminance": 0.36515
}

Semantic roles & 50–950 ramp

primary

#40B780

secondary

#C68DA7

accent

#508FD8

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C140F

muted

#7D827F

Preview Lab

Preview with #40B780

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

Preview Lab → · Contrast checker → · Palette generator →