#40B488#40B488

#40B488 is a light, vivid teal. Relative luminance 0.355; OKLCH L 69.3% C 0.123 H 164.3°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#40B488
RGB	rgb(64, 180, 136)
HSL	hsl(157, 48%, 48%)
HSV	hsv(157, 64%, 71%)
CMYK	cmyk(64.4%, 0%, 24.4%, 29.4%)
CIE-LAB	lab(66.14, -43.04, 13.04)
CIE-LCH	lch(66.14, 44.97, 163.14°)
OKLab	oklab(69.3% -0.1187 0.0333)
OKLCH	oklch(69.3% 0.123 164.3)
XYZ	xyz(22.8772, 35.5077, 28.9358)
Luminance	0.3551 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B488 #B4406C

analogous

#40B44E #40B488 #40A6B4

triadic

#40B488 #8840B4 #B48840

tetradic

#40B488 #4E40B4 #B4406C #A6B440

square

#40B488 #4E40B4 #B4406C #A6B440

split-complementary

#40B488 #B440A6 #B44E40

monochromatic

#205A44 #308766 #40B488 #68C9A4 #95D9BF

Accessibility & contrast

On white

2.59

#40B488 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#40B488 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B488

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B488	#FFFFFF	#000000	##000000
##40B488	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A886

Deuteranopia (green-blind)

#A19C8B

Tritanopia (blue-blind)

#00B4A8

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b488;
/* rgb */ color: rgb(64, 180, 136);
/* oklch */ color: oklch(69.3% 0.123 164.3);

Tailwind

colors: {
  custom: {
    50: '#82cbaa',
    500: '#40b488',
    950: '#000000',
  },
}

SCSS

$custom: #40b488;
$custom-light: #82cbaa;
$custom-dark: #000000;

JSON

{
  "hex": "#40b488",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 136
  },
  "hsl": {
    "h": 157.241,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.69297,
    "c": 0.12331,
    "h": 164.3
  },
  "luminance": 0.3551
}

Semantic roles & 50–950 ramp

primary

#40B488

secondary

#C58BA1

accent

#5184D7

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40B488

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

Preview Lab → · Contrast checker → · Palette generator →