#40C581#40C581

#40C581 is a light, vivid green. Relative luminance 0.426; OKLCH L 73.5% C 0.152 H 156.7°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#40C581
RGB	rgb(64, 197, 129)
HSL	hsl(149, 53%, 51%)
HSV	hsv(149, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 34.5%, 22.7%)
CIE-LAB	lab(71.29, -51.49, 23.89)
CIE-LCH	lch(71.29, 56.76, 155.11°)
OKLab	oklab(73.47% -0.1396 0.0602)
OKLCH	oklch(73.47% 0.152 156.7)
XYZ	xyz(26.0406, 42.6046, 27.6158)
Luminance	0.4261 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C581 #C54084

analogous

#41C540 #40C581 #40C5C3

triadic

#40C581 #8140C5 #C58140

tetradic

#40C581 #4041C5 #C54084 #C5C340

square

#40C581 #4041C5 #C54084 #C5C340

split-complementary

#40C581 #C340C5 #C54041

monochromatic

#206A44 #2F9963 #40C581 #6FD3A0 #9EE2BF

Accessibility & contrast

On white

2.21

#40C581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#40C581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C581

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C581	#FFFFFF	#000000	##000000
##40C581	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B67D

Deuteranopia (green-blind)

#B3AA85

Tritanopia (blue-blind)

#00C3B3

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #40c581;
/* rgb */ color: rgb(64, 197, 129);
/* oklch */ color: oklch(73.5% 0.152 156.7);

Tailwind

colors: {
  custom: {
    50: '#84d7a6',
    500: '#40c581',
    950: '#000000',
  },
}

SCSS

$custom: #40c581;
$custom-light: #84d7a6;
$custom-dark: #000000;

JSON

{
  "hex": "#40c581",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 129
  },
  "hsl": {
    "h": 149.323,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73471,
    "c": 0.15202,
    "h": 156.7
  },
  "luminance": 0.42607
}

Semantic roles & 50–950 ramp

primary

#40C581

secondary

#CE93B1

accent

#4B96DD

background

#F8FDFA

surface

#F0FAF4

border

#CBD3CE

text

#0C140F

muted

#7D837F

Preview Lab

Preview with #40C581

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

Preview Lab → · Contrast checker → · Palette generator →