#40B388#40B388

#40B388 is a light, vivid teal. Relative luminance 0.351; OKLCH L 69.0% C 0.122 H 164.7°. Best body text is #000000 at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#40B388
RGB	rgb(64, 179, 136)
HSL	hsl(158, 47%, 48%)
HSV	hsv(158, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 24%, 29.8%)
CIE-LAB	lab(65.83, -42.61, 12.60)
CIE-LCH	lch(65.83, 44.43, 163.52°)
OKLab	oklab(69.04% -0.1177 0.0322)
OKLCH	oklch(69.04% 0.122 164.7)
XYZ	xyz(22.6761, 35.1054, 28.8687)
Luminance	0.3511 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B388 #B3406B

analogous

#40B34E #40B388 #40A5B3

triadic

#40B388 #8840B3 #B38840

tetradic

#40B388 #4E40B3 #B3406B #A5B340

square

#40B388 #4E40B3 #B3406B #A5B340

split-complementary

#40B388 #B340A5 #B34E40

monochromatic

#205943 #308666 #40B388 #67C9A4 #94D9BF

Accessibility & contrast

On white

2.62

#40B388 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.02

#40B388 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B388

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B388	#FFFFFF	#000000	##000000
##40B388	1.00	2.62	8.02	8.02
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.02	21.00	1.00	1.00
##000000	8.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A786

Deuteranopia (green-blind)

#A09B8B

Tritanopia (blue-blind)

#00B3A7

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b388;
/* rgb */ color: rgb(64, 179, 136);
/* oklch */ color: oklch(69.0% 0.122 164.7);

Tailwind

colors: {
  custom: {
    50: '#81caaa',
    500: '#40b388',
    950: '#000000',
  },
}

SCSS

$custom: #40b388;
$custom-light: #81caaa;
$custom-dark: #000000;

JSON

{
  "hex": "#40b388",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 136
  },
  "hsl": {
    "h": 157.565,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.69042,
    "c": 0.12199,
    "h": 164.7
  },
  "luminance": 0.35108
}

Semantic roles & 50–950 ramp

primary

#40B388

secondary

#C48AA0

accent

#5183D7

background

#F8FCFA

surface

#F0F8F4

border

#CBD1CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40B388

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

Preview Lab → · Contrast checker → · Palette generator →