#40AC90#40AC90

#40AC90 is a light, moderate teal. Relative luminance 0.326; OKLCH L 67.5% C 0.107 H 172.7°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#40AC90
RGB	rgb(64, 172, 144)
HSL	hsl(164, 46%, 46%)
HSV	hsv(164, 63%, 67%)
CMYK	cmyk(62.8%, 0%, 16.3%, 32.5%)
CIE-LAB	lab(63.84, -37.62, 5.35)
CIE-LCH	lch(63.84, 38.00, 171.90°)
OKLab	oklab(67.48% -0.1063 0.0136)
OKLCH	oklch(67.48% 0.107 172.7)
XYZ	xyz(21.8985, 32.6064, 31.5197)
Luminance	0.3261 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC90 #AC405C

analogous

#40AC5A #40AC90 #4092AC

triadic

#40AC90 #9040AC #AC9040

tetradic

#40AC90 #5A40AC #AC405C #92AC40

square

#40AC90 #5A40AC #AC405C #92AC40

split-complementary

#40AC90 #AC4092 #AC5A40

monochromatic

#1F5345 #2F7F6B #40AC90 #64C5AC #91D6C4

Accessibility & contrast

On white

2.79

#40AC90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#40AC90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC90

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC90	#FFFFFF	#000000	##000000
##40AC90	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7A18F

Deuteranopia (green-blind)

#979692

Tritanopia (blue-blind)

#00AEA4

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40ac90;
/* rgb */ color: rgb(64, 172, 144);
/* oklch */ color: oklch(67.5% 0.107 172.7);

Tailwind

colors: {
  custom: {
    50: '#81c5b0',
    500: '#40ac90',
    950: '#000000',
  },
}

SCSS

$custom: #40ac90;
$custom-light: #81c5b0;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac90",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 144
  },
  "hsl": {
    "h": 164.444,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.67479,
    "c": 0.10721,
    "h": 172.7
  },
  "luminance": 0.32609
}

Semantic roles & 50–950 ramp

primary

#40AC90

secondary

#C18796

accent

#5274D5

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40AC90

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

Preview Lab → · Contrast checker → · Palette generator →