#40C558#40C558

#40C558 is a light, vivid green. Relative luminance 0.417; OKLCH L 72.8% C 0.189 H 146.4°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#40C558
RGB	rgb(64, 197, 88)
HSL	hsl(131, 53%, 51%)
HSV	hsv(131, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 55.3%, 22.7%)
CIE-LAB	lab(70.68, -58.30, 43.85)
CIE-LCH	lch(70.68, 72.95, 143.05°)
OKLab	oklab(72.77% -0.1573 0.1046)
OKLCH	oklch(72.77% 0.189 146.4)
XYZ	xyz(23.8404, 41.7245, 16.0279)
Luminance	0.4173 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C558 #C540AD

analogous

#6AC540 #40C558 #40C59A

triadic

#40C558 #5840C5 #C55840

tetradic

#40C558 #406AC5 #C540AD #C59A40

square

#40C558 #406AC5 #C540AD #C59A40

split-complementary

#40C558 #9A40C5 #C5406A

monochromatic

#206A2E #2F9942 #40C558 #6FD381 #9EE2AA

Accessibility & contrast

On white

2.25

#40C558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#40C558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C558

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C558	#FFFFFF	#000000	##000000
##40C558	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B44E

Deuteranopia (green-blind)

#B8A960

Tritanopia (blue-blind)

#0DC0AD

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #40c558;
/* rgb */ color: rgb(64, 197, 88);
/* oklch */ color: oklch(72.8% 0.189 146.4);

Tailwind

colors: {
  custom: {
    50: '#85d88a',
    500: '#40c558',
    950: '#000000',
  },
}

SCSS

$custom: #40c558;
$custom-light: #85d88a;
$custom-dark: #000000;

JSON

{
  "hex": "#40c558",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 88
  },
  "hsl": {
    "h": 130.827,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.72774,
    "c": 0.18896,
    "h": 146.4
  },
  "luminance": 0.41727
}

Semantic roles & 50–950 ramp

primary

#40C558

secondary

#CE93C3

accent

#4BC2DD

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C150C

muted

#7D837D

Preview Lab

Preview with #40C558

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

Preview Lab → · Contrast checker → · Palette generator →