#40C17B#40C17B

#40C17B is a light, vivid green. Relative luminance 0.407; OKLCH L 72.3% C 0.152 H 155.4°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#40C17B
RGB	rgb(64, 193, 123)
HSL	hsl(147, 51%, 50%)
HSV	hsv(147, 67%, 76%)
CMYK	cmyk(66.8%, 0%, 36.3%, 24.3%)
CIE-LAB	lab(69.94, -51.09, 25.24)
CIE-LCH	lch(69.94, 56.99, 153.71°)
OKLab	oklab(72.32% -0.1383 0.0633)
OKLCH	oklch(72.32% 0.152 155.4)
XYZ	xyz(24.7572, 40.6573, 25.2780)
Luminance	0.4066 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C17B #C14086

analogous

#45C140 #40C17B #40C1BB

triadic

#40C17B #7B40C1 #C17B40

tetradic

#40C17B #4045C1 #C14086 #C1BB40

square

#40C17B #4045C1 #C14086 #C1BB40

split-complementary

#40C17B #BB40C1 #C14045

monochromatic

#216640 #30945E #40C17B #6ED09B #9CDFBB

Accessibility & contrast

On white

2.30

#40C17B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#40C17B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C17B

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C17B	#FFFFFF	#000000	##000000
##40C17B	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0B276

Deuteranopia (green-blind)

#B0A680

Tritanopia (blue-blind)

#00BFAF

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #40c17b;
/* rgb */ color: rgb(64, 193, 123);
/* oklch */ color: oklch(72.3% 0.152 155.4);

Tailwind

colors: {
  custom: {
    50: '#84d5a1',
    500: '#40c17b',
    950: '#000000',
  },
}

SCSS

$custom: #40c17b;
$custom-light: #84d5a1;
$custom-dark: #000000;

JSON

{
  "hex": "#40c17b",
  "rgb": {
    "r": 64,
    "g": 193,
    "b": 123
  },
  "hsl": {
    "h": 147.442,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.72325,
    "c": 0.15213,
    "h": 155.4
  },
  "luminance": 0.4066
}

Semantic roles & 50–950 ramp

primary

#40C17B

secondary

#CB92B1

accent

#4D9ADA

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140F

muted

#7D837E

Preview Lab

Preview with #40C17B

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

Preview Lab → · Contrast checker → · Palette generator →