#40D183#40D183

#40D183 is a light, vivid green. Relative luminance 0.483; OKLCH L 76.6% C 0.166 H 155.2°. Best body text is #000000 at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#40D183
RGB	rgb(64, 209, 131)
HSL	hsl(148, 61%, 54%)
HSV	hsv(148, 69%, 82%)
CMYK	cmyk(69.4%, 0%, 37.3%, 18%)
CIE-LAB	lab(75.03, -55.73, 27.88)
CIE-LCH	lch(75.03, 62.31, 153.43°)
OKLab	oklab(76.56% -0.1506 0.0698)
OKLCH	oklch(76.56% 0.166 155.2)
XYZ	xyz(29.0089, 48.3264, 29.2674)
Luminance	0.4833 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D183 #D1408E

analogous

#45D140 #40D183 #40D1CB

triadic

#40D183 #8340D1 #D18340

tetradic

#40D183 #4045D1 #D1408E #D1CB40

square

#40D183 #4045D1 #D1408E #D1CB40

split-complementary

#40D183 #CB40D1 #D14045

monochromatic

#1D7948 #29AB65 #40D183 #71DDA3 #A3E9C3

Accessibility & contrast

On white

1.97

#40D183 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.67

#40D183 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D183

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D183	#FFFFFF	#000000	##000000
##40D183	1.00	1.97	10.67	10.67
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.67	21.00	1.00	1.00
##000000	10.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C07E

Deuteranopia (green-blind)

#BEB488

Tritanopia (blue-blind)

#00CFBD

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #40d183;
/* rgb */ color: rgb(64, 209, 131);
/* oklch */ color: oklch(76.6% 0.166 155.2);

Tailwind

colors: {
  custom: {
    50: '#87e0a7',
    500: '#40d183',
    950: '#000000',
  },
}

SCSS

$custom: #40d183;
$custom-light: #87e0a7;
$custom-dark: #000000;

JSON

{
  "hex": "#40d183",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 131
  },
  "hsl": {
    "h": 147.724,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.76564,
    "c": 0.16601,
    "h": 155.2
  },
  "luminance": 0.4833
}

Semantic roles & 50–950 ramp

primary

#40D183

secondary

#D597B9

accent

#449AE4

background

#F8FDFA

surface

#F0FBF4

border

#CBD4CE

text

#0D150F

muted

#7D837F

Preview Lab

Preview with #40D183

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

Preview Lab → · Contrast checker → · Palette generator →