#40AC91#40AC91

#40AC91 is a light, moderate teal. Relative luminance 0.326; OKLCH L 67.5% C 0.107 H 173.4°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#40AC91
RGB	rgb(64, 172, 145)
HSL	hsl(165, 46%, 46%)
HSV	hsv(165, 63%, 67%)
CMYK	cmyk(62.8%, 0%, 15.7%, 32.5%)
CIE-LAB	lab(63.87, -37.37, 4.83)
CIE-LCH	lch(63.87, 37.68, 172.63°)
OKLab	oklab(67.51% -0.1059 0.0122)
OKLCH	oklch(67.51% 0.107 173.4)
XYZ	xyz(21.9752, 32.6371, 31.9240)
Luminance	0.3264 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC91 #AC405B

analogous

#40AC5B #40AC91 #4091AC

triadic

#40AC91 #9140AC #AC9140

tetradic

#40AC91 #5B40AC #AC405B #91AC40

square

#40AC91 #5B40AC #AC405B #91AC40

split-complementary

#40AC91 #AC4091 #AC5B40

monochromatic

#1F5346 #2F7F6B #40AC91 #64C5AD #91D6C5

Accessibility & contrast

On white

2.79

#40AC91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#40AC91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC91

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC91	#FFFFFF	#000000	##000000
##40AC91	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7A190

Deuteranopia (green-blind)

#979693

Tritanopia (blue-blind)

#00AEA4

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40ac91;
/* rgb */ color: rgb(64, 172, 145);
/* oklch */ color: oklch(67.5% 0.107 173.4);

Tailwind

colors: {
  custom: {
    50: '#81c5b1',
    500: '#40ac91',
    950: '#000000',
  },
}

SCSS

$custom: #40ac91;
$custom-light: #81c5b1;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac91",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 145
  },
  "hsl": {
    "h": 165,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.67508,
    "c": 0.10657,
    "h": 173.4
  },
  "luminance": 0.32639
}

Semantic roles & 50–950 ramp

primary

#40AC91

secondary

#C18795

accent

#5273D5

background

#F8FCFA

surface

#EFF8F5

border

#CAD1CF

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40AC91

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

Preview Lab → · Contrast checker → · Palette generator →