#40B664#40B664

#40B664 is a light, vivid green. Relative luminance 0.355; OKLCH L 69.1% C 0.159 H 150.1°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#40B664
RGB	rgb(64, 182, 100)
HSL	hsl(138, 48%, 48%)
HSV	hsv(138, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 45.1%, 28.6%)
CIE-LAB	lab(66.11, -50.97, 32.24)
CIE-LCH	lch(66.11, 60.31, 147.69°)
OKLab	oklab(69.05% -0.1375 0.0792)
OKLCH	oklch(69.05% 0.159 150.1)
XYZ	xyz(21.1409, 35.4638, 17.7852)
Luminance	0.3547 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B664 #B64092

analogous

#57B640 #40B664 #40B69F

triadic

#40B664 #6440B6 #B66440

tetradic

#40B664 #4057B6 #B64092 #B69F40

square

#40B664 #4057B6 #B64092 #B69F40

split-complementary

#40B664 #9F40B6 #B64057

monochromatic

#205B32 #30894B #40B664 #69CA87 #96DAAB

Accessibility & contrast

On white

2.59

#40B664 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#40B664 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B664

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B664	#FFFFFF	#000000	##000000
##40B664	1.00	2.59	8.09	8.09
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A75E

Deuteranopia (green-blind)

#A89D6A

Tritanopia (blue-blind)

#11B3A2

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b664;
/* rgb */ color: rgb(64, 182, 100);
/* oklch */ color: oklch(69.1% 0.159 150.1);

Tailwind

colors: {
  custom: {
    50: '#82cd91',
    500: '#40b664',
    950: '#000000',
  },
}

SCSS

$custom: #40b664;
$custom-light: #82cd91;
$custom-dark: #000000;

JSON

{
  "hex": "#40b664",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 100
  },
  "hsl": {
    "h": 138.305,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.69052,
    "c": 0.15869,
    "h": 150.1
  },
  "luminance": 0.35466
}

Semantic roles & 50–950 ramp

primary

#40B664

secondary

#C68CB4

accent

#50AED8

background

#F8FCF9

surface

#F0F9F1

border

#CBD2CB

text

#0C130D

muted

#7D827E

Preview Lab

Preview with #40B664

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

Preview Lab → · Contrast checker → · Palette generator →