#40B784#40B784

#40B784 is a light, vivid teal. Relative luminance 0.366; OKLCH L 70.0% C 0.131 H 161.3°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#40B784
RGB	rgb(64, 183, 132)
HSL	hsl(154, 48%, 48%)
HSV	hsv(154, 65%, 72%)
CMYK	cmyk(65%, 0%, 27.9%, 28.2%)
CIE-LAB	lab(66.99, -45.20, 16.41)
CIE-LCH	lch(66.99, 48.08, 160.05°)
OKLab	oklab(69.97% -0.1238 0.0418)
OKLCH	oklch(69.97% 0.131 161.3)
XYZ	xyz(23.2104, 36.6204, 27.6706)
Luminance	0.3662 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B784 #B74073

analogous

#40B749 #40B784 #40AEB7

triadic

#40B784 #8440B7 #B78440

tetradic

#40B784 #4940B7 #B74073 #AEB740

square

#40B784 #4940B7 #B74073 #AEB740

split-complementary

#40B784 #B740AE #B74940

monochromatic

#205C43 #308A63 #40B784 #69CBA1 #97DBBE

Accessibility & contrast

On white

2.52

#40B784 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#40B784 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B784

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B784	#FFFFFF	#000000	##000000
##40B784	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4AA81

Deuteranopia (green-blind)

#A59E87

Tritanopia (blue-blind)

#00B7A9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b784;
/* rgb */ color: rgb(64, 183, 132);
/* oklch */ color: oklch(70.0% 0.131 161.3);

Tailwind

colors: {
  custom: {
    50: '#82cda8',
    500: '#40b784',
    950: '#000000',
  },
}

SCSS

$custom: #40b784;
$custom-light: #82cda8;
$custom-dark: #000000;

JSON

{
  "hex": "#40b784",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 132
  },
  "hsl": {
    "h": 154.286,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69965,
    "c": 0.13064,
    "h": 161.3
  },
  "luminance": 0.36623
}

Semantic roles & 50–950 ramp

primary

#40B784

secondary

#C68DA5

accent

#508AD8

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C130F

muted

#7D827F

Preview Lab

Preview with #40B784

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

Preview Lab → · Contrast checker → · Palette generator →