#40B37B#40B37B

#40B37B is a light, vivid teal. Relative luminance 0.348; OKLCH L 68.7% C 0.133 H 158.4°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#40B37B
RGB	rgb(64, 179, 123)
HSL	hsl(151, 47%, 48%)
HSV	hsv(151, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 31.3%, 29.8%)
CIE-LAB	lab(65.56, -45.45, 19.31)
CIE-LCH	lch(65.56, 49.39, 156.98°)
OKLab	oklab(68.73% -0.1238 0.0489)
OKLCH	oklch(68.73% 0.133 158.4)
XYZ	xyz(21.8076, 34.7580, 24.2947)
Luminance	0.3476 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B37B #B34078

analogous

#40B342 #40B37B #40B1B3

triadic

#40B37B #7B40B3 #B37B40

tetradic

#40B37B #4240B3 #B34078 #B1B340

square

#40B37B #4240B3 #B34078 #B1B340

split-complementary

#40B37B #B340B1 #B34240

monochromatic

#20593D #30865C #40B37B #67C999 #94D9B8

Accessibility & contrast

On white

2.64

#40B37B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#40B37B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B37B

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B37B	#FFFFFF	#000000	##000000
##40B37B	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A678

Deuteranopia (green-blind)

#A29B7F

Tritanopia (blue-blind)

#00B2A4

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b37b;
/* rgb */ color: rgb(64, 179, 123);
/* oklch */ color: oklch(68.7% 0.133 158.4);

Tailwind

colors: {
  custom: {
    50: '#81caa1',
    500: '#40b37b',
    950: '#000000',
  },
}

SCSS

$custom: #40b37b;
$custom-light: #81caa1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b37b",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 123
  },
  "hsl": {
    "h": 150.783,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68731,
    "c": 0.13314,
    "h": 158.4
  },
  "luminance": 0.3476
}

Semantic roles & 50–950 ramp

primary

#40B37B

secondary

#C48AA7

accent

#5192D7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130F

muted

#7C827E

Preview Lab

Preview with #40B37B

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

Preview Lab → · Contrast checker → · Palette generator →