#40B389#40B389

#40B389 is a light, vivid teal. Relative luminance 0.351; OKLCH L 69.1% C 0.121 H 165.2°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#40B389
RGB	rgb(64, 179, 137)
HSL	hsl(158, 47%, 48%)
HSV	hsv(158, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 23.5%, 29.8%)
CIE-LAB	lab(65.85, -42.38, 12.08)
CIE-LCH	lch(65.85, 44.07, 164.08°)
OKLab	oklab(69.07% -0.1172 0.0309)
OKLCH	oklch(69.07% 0.121 165.2)
XYZ	xyz(22.7475, 35.1339, 29.2448)
Luminance	0.3514 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B389 #B3406A

analogous

#40B350 #40B389 #40A3B3

triadic

#40B389 #8940B3 #B38940

tetradic

#40B389 #5040B3 #B3406A #A3B340

square

#40B389 #5040B3 #B3406A #A3B340

split-complementary

#40B389 #B340A3 #B35040

monochromatic

#205944 #308666 #40B389 #67C9A5 #94D9C0

Accessibility & contrast

On white

2.62

#40B389 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#40B389 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B389

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B389	#FFFFFF	#000000	##000000
##40B389	1.00	2.62	8.03	8.03
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFA787

Deuteranopia (green-blind)

#A09B8C

Tritanopia (blue-blind)

#00B3A7

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b389;
/* rgb */ color: rgb(64, 179, 137);
/* oklch */ color: oklch(69.1% 0.121 165.2);

Tailwind

colors: {
  custom: {
    50: '#81caab',
    500: '#40b389',
    950: '#000000',
  },
}

SCSS

$custom: #40b389;
$custom-light: #81caab;
$custom-dark: #000000;

JSON

{
  "hex": "#40b389",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 137
  },
  "hsl": {
    "h": 158.087,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.69068,
    "c": 0.12119,
    "h": 165.2
  },
  "luminance": 0.35136
}

Semantic roles & 50–950 ramp

primary

#40B389

secondary

#C48AA0

accent

#5182D7

background

#F8FCFA

surface

#F0F8F4

border

#CBD1CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40B389

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

Preview Lab → · Contrast checker → · Palette generator →