#40C166#40C166

#40C166 is a light, vivid green. Relative luminance 0.402; OKLCH L 71.9% C 0.171 H 149.5°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#40C166
RGB	rgb(64, 193, 102)
HSL	hsl(138, 51%, 50%)
HSV	hsv(138, 67%, 76%)
CMYK	cmyk(66.8%, 0%, 47.2%, 24.3%)
CIE-LAB	lab(69.60, -54.80, 35.67)
CIE-LCH	lch(69.60, 65.38, 146.94°)
OKLab	oklab(71.94% -0.1477 0.0871)
OKLCH	oklch(71.94% 0.171 149.5)
XYZ	xyz(23.5808, 40.1867, 19.0819)
Luminance	0.4019 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C166 #C1409B

analogous

#5BC140 #40C166 #40C1A6

triadic

#40C166 #6640C1 #C16640

tetradic

#40C166 #405BC1 #C1409B #C1A640

square

#40C166 #405BC1 #C1409B #C1A640

split-complementary

#40C166 #A640C1 #C1405B

monochromatic

#216635 #30944D #40C166 #6ED08B #9CDFB0

Accessibility & contrast

On white

2.32

#40C166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#40C166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C166

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C166	#FFFFFF	#000000	##000000
##40C166	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2B15F

Deuteranopia (green-blind)

#B2A66C

Tritanopia (blue-blind)

#00BEAB

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #40c166;
/* rgb */ color: rgb(64, 193, 102);
/* oklch */ color: oklch(71.9% 0.171 149.5);

Tailwind

colors: {
  custom: {
    50: '#84d593',
    500: '#40c166',
    950: '#000000',
  },
}

SCSS

$custom: #40c166;
$custom-light: #84d593;
$custom-dark: #000000;

JSON

{
  "hex": "#40c166",
  "rgb": {
    "r": 64,
    "g": 193,
    "b": 102
  },
  "hsl": {
    "h": 137.674,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.71942,
    "c": 0.17149,
    "h": 149.5
  },
  "luminance": 0.40189
}

Semantic roles & 50–950 ramp

primary

#40C166

secondary

#CB92BA

accent

#4DB1DA

background

#F8FDF9

surface

#F0FAF1

border

#CBD3CB

text

#0C140D

muted

#7D837E

Preview Lab

Preview with #40C166

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

Preview Lab → · Contrast checker → · Palette generator →