#40B563#40B563

#40B563 is a light, vivid green. Relative luminance 0.350; OKLCH L 68.8% C 0.158 H 149.9°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#40B563
RGB	rgb(64, 181, 99)
HSL	hsl(138, 48%, 48%)
HSV	hsv(138, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 45.3%, 29%)
CIE-LAB	lab(65.78, -50.75, 32.33)
CIE-LCH	lch(65.78, 60.17, 147.50°)
OKLab	oklab(68.77% -0.1369 0.0794)
OKLCH	oklch(68.77% 0.158 149.9)
XYZ	xyz(20.8888, 35.0364, 17.4638)
Luminance	0.3504 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B563 #B54092

analogous

#57B540 #40B563 #40B59D

triadic

#40B563 #6340B5 #B56340

tetradic

#40B563 #4057B5 #B54092 #B59D40

square

#40B563 #4057B5 #B54092 #B59D40

split-complementary

#40B563 #9D40B5 #B54057

monochromatic

#205B32 #30884A #40B563 #68CA86 #96DAAA

Accessibility & contrast

On white

2.62

#40B563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.01

#40B563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B563

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B563	#FFFFFF	#000000	##000000
##40B563	1.00	2.62	8.01	8.01
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.01	21.00	1.00	1.00
##000000	8.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A65D

Deuteranopia (green-blind)

#A79C69

Tritanopia (blue-blind)

#13B2A1

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b563;
/* rgb */ color: rgb(64, 181, 99);
/* oklch */ color: oklch(68.8% 0.158 149.9);

Tailwind

colors: {
  custom: {
    50: '#82cc90',
    500: '#40b563',
    950: '#000000',
  },
}

SCSS

$custom: #40b563;
$custom-light: #82cc90;
$custom-dark: #000000;

JSON

{
  "hex": "#40b563",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 99
  },
  "hsl": {
    "h": 137.949,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.68774,
    "c": 0.15828,
    "h": 149.9
  },
  "luminance": 0.35039
}

Semantic roles & 50–950 ramp

primary

#40B563

secondary

#C58BB4

accent

#50AFD7

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130D

muted

#7D827D

Preview Lab

Preview with #40B563

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

Preview Lab → · Contrast checker → · Palette generator →