#40B683#40B683

#40B683 is a light, vivid teal. Relative luminance 0.362; OKLCH L 69.7% C 0.130 H 161.2°. Best body text is #000000 at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#40B683
RGB	rgb(64, 182, 131)
HSL	hsl(154, 48%, 48%)
HSV	hsv(154, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 28%, 28.6%)
CIE-LAB	lab(66.66, -45.00, 16.49)
CIE-LCH	lch(66.66, 47.92, 159.88°)
OKLab	oklab(69.69% -0.1232 0.042)
OKLCH	oklch(69.69% 0.13 161.2)
XYZ	xyz(22.9368, 36.1821, 27.2434)
Luminance	0.3619 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B683 #B64073

analogous

#40B648 #40B683 #40AEB6

triadic

#40B683 #8340B6 #B68340

tetradic

#40B683 #4840B6 #B64073 #AEB640

square

#40B683 #4840B6 #B64073 #AEB640

split-complementary

#40B683 #B640AE #B64840

monochromatic

#205B42 #308962 #40B683 #69CAA0 #96DABD

Accessibility & contrast

On white

2.55

#40B683 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.24

#40B683 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B683

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B683	#FFFFFF	#000000	##000000
##40B683	1.00	2.55	8.24	8.24
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.24	21.00	1.00	1.00
##000000	8.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A980

Deuteranopia (green-blind)

#A49E86

Tritanopia (blue-blind)

#00B5A8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b683;
/* rgb */ color: rgb(64, 182, 131);
/* oklch */ color: oklch(69.7% 0.130 161.2);

Tailwind

colors: {
  custom: {
    50: '#82cda7',
    500: '#40b683',
    950: '#000000',
  },
}

SCSS

$custom: #40b683;
$custom-light: #82cda7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b683",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 131
  },
  "hsl": {
    "h": 154.068,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.69685,
    "c": 0.13016,
    "h": 161.2
  },
  "luminance": 0.36185
}

Semantic roles & 50–950 ramp

primary

#40B683

secondary

#C68CA5

accent

#508BD8

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C130F

muted

#7D827F

Preview Lab

Preview with #40B683

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

Preview Lab → · Contrast checker → · Palette generator →