#40D591#40D591

#40D591 is a light, vivid teal. Relative luminance 0.507; OKLCH L 77.9% C 0.159 H 158.9°. Best body text is #000000 at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#40D591
RGB	rgb(64, 213, 145)
HSL	hsl(153, 64%, 54%)
HSV	hsv(153, 70%, 84%)
CMYK	cmyk(70%, 0%, 31.9%, 16.5%)
CIE-LAB	lab(76.51, -54.51, 22.58)
CIE-LCH	lch(76.51, 59.00, 157.50°)
OKLab	oklab(77.86% -0.1482 0.0571)
OKLCH	oklch(77.86% 0.159 158.9)
XYZ	xyz(31.0164, 50.7193, 34.9377)
Luminance	0.5072 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D591 #D54084

analogous

#40D547 #40D591 #40CFD5

triadic

#40D591 #9140D5 #D59140

tetradic

#40D591 #4740D5 #D54084 #CFD540

square

#40D591 #4740D5 #D54084 #CFD540

split-complementary

#40D591 #D540CF #D54740

monochromatic

#1C7F52 #27B172 #40D591 #72E0AE #A4EBCB

Accessibility & contrast

On white

1.88

#40D591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.14

#40D591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D591

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D591	#FFFFFF	#000000	##000000
##40D591	1.00	1.88	11.14	11.14
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.14	21.00	1.00	1.00
##000000	11.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3C58D

Deuteranopia (green-blind)

#C0B795

Tritanopia (blue-blind)

#00D4C3

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #40d591;
/* rgb */ color: rgb(64, 213, 145);
/* oklch */ color: oklch(77.9% 0.159 158.9);

Tailwind

colors: {
  custom: {
    50: '#87e3b1',
    500: '#40d591',
    950: '#000000',
  },
}

SCSS

$custom: #40d591;
$custom-light: #87e3b1;
$custom-dark: #000000;

JSON

{
  "hex": "#40d591",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 145
  },
  "hsl": {
    "h": 152.617,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77862,
    "c": 0.15881,
    "h": 158.9
  },
  "luminance": 0.50723
}

Semantic roles & 50–950 ramp

primary

#40D591

secondary

#863359

accent

#418DE7

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1510

muted

#7F8481

Preview Lab

Preview with #40D591

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

Preview Lab → · Contrast checker → · Palette generator →