#40C17F#40C17F

#40C17F is a light, vivid green. Relative luminance 0.408; OKLCH L 72.4% C 0.148 H 156.8°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#40C17F
RGB	rgb(64, 193, 127)
HSL	hsl(149, 51%, 50%)
HSV	hsv(149, 67%, 76%)
CMYK	cmyk(66.8%, 0%, 34.2%, 24.3%)
CIE-LAB	lab(70.01, -50.31, 23.22)
CIE-LCH	lch(70.01, 55.41, 155.22°)
OKLab	oklab(72.41% -0.1365 0.0585)
OKLCH	oklch(72.41% 0.148 156.8)
XYZ	xyz(25.0128, 40.7595, 26.6237)
Luminance	0.4076 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C17F #C14082

analogous

#42C140 #40C17F #40C1BF

triadic

#40C17F #7F40C1 #C17F40

tetradic

#40C17F #4042C1 #C14082 #C1BF40

square

#40C17F #4042C1 #C14082 #C1BF40

split-complementary

#40C17F #BF40C1 #C14042

monochromatic

#216643 #309461 #40C17F #6ED09E #9CDFBD

Accessibility & contrast

On white

2.29

#40C17F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#40C17F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C17F

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C17F	#FFFFFF	#000000	##000000
##40C17F	1.00	2.29	9.15	9.15
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0B27B

Deuteranopia (green-blind)

#AFA683

Tritanopia (blue-blind)

#00BFB0

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #40c17f;
/* rgb */ color: rgb(64, 193, 127);
/* oklch */ color: oklch(72.4% 0.148 156.8);

Tailwind

colors: {
  custom: {
    50: '#84d5a4',
    500: '#40c17f',
    950: '#000000',
  },
}

SCSS

$custom: #40c17f;
$custom-light: #84d5a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40c17f",
  "rgb": {
    "r": 64,
    "g": 193,
    "b": 127
  },
  "hsl": {
    "h": 149.302,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.72408,
    "c": 0.14849,
    "h": 156.8
  },
  "luminance": 0.40762
}

Semantic roles & 50–950 ramp

primary

#40C17F

secondary

#CB92AF

accent

#4D96DA

background

#F8FDFA

surface

#F0FAF4

border

#CBD3CE

text

#0C140F

muted

#7D837F

Preview Lab

Preview with #40C17F

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

Preview Lab → · Contrast checker → · Palette generator →