#40B288#40B288

#40B288 is a light, vivid teal. Relative luminance 0.347; OKLCH L 68.8% C 0.121 H 165.1°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#40B288
RGB	rgb(64, 178, 136)
HSL	hsl(158, 47%, 47%)
HSV	hsv(158, 64%, 70%)
CMYK	cmyk(64%, 0%, 23.6%, 30.2%)
CIE-LAB	lab(65.52, -42.18, 12.16)
CIE-LCH	lch(65.52, 43.90, 163.91°)
OKLab	oklab(68.79% -0.1166 0.0311)
OKLCH	oklch(68.79% 0.121 165.1)
XYZ	xyz(22.4764, 34.7060, 28.8022)
Luminance	0.3471 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B288 #B2406A

analogous

#40B24F #40B288 #40A3B2

triadic

#40B288 #8840B2 #B28840

tetradic

#40B288 #4F40B2 #B2406A #A3B240

square

#40B288 #4F40B2 #B2406A #A3B240

split-complementary

#40B288 #B240A3 #B24F40

monochromatic

#205843 #308566 #40B288 #67C8A4 #94D8BF

Accessibility & contrast

On white

2.64

#40B288 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#40B288 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B288

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B288	#FFFFFF	#000000	##000000
##40B288	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFA686

Deuteranopia (green-blind)

#9F9A8B

Tritanopia (blue-blind)

#00B2A6

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b288;
/* rgb */ color: rgb(64, 178, 136);
/* oklch */ color: oklch(68.8% 0.121 165.1);

Tailwind

colors: {
  custom: {
    50: '#81caaa',
    500: '#40b288',
    950: '#000000',
  },
}

SCSS

$custom: #40b288;
$custom-light: #81caaa;
$custom-dark: #000000;

JSON

{
  "hex": "#40b288",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 136
  },
  "hsl": {
    "h": 157.895,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.68787,
    "c": 0.12067,
    "h": 165.1
  },
  "luminance": 0.34708
}

Semantic roles & 50–950 ramp

primary

#40B288

secondary

#C48A9F

accent

#5182D7

background

#F8FCFA

surface

#F0F8F4

border

#CBD1CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40B288

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

Preview Lab → · Contrast checker → · Palette generator →