#40B661#40B661

#40B661 is a light, vivid green. Relative luminance 0.354; OKLCH L 69.0% C 0.161 H 149.3°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#40B661
RGB	rgb(64, 182, 97)
HSL	hsl(137, 48%, 48%)
HSV	hsv(137, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 46.7%, 28.6%)
CIE-LAB	lab(66.06, -51.46, 33.72)
CIE-LCH	lch(66.06, 61.53, 146.76°)
OKLab	oklab(69% -0.1388 0.0825)
OKLCH	oklch(69% 0.161 149.3)
XYZ	xyz(20.9984, 35.4068, 17.0345)
Luminance	0.3541 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B661 #B64095

analogous

#5AB640 #40B661 #40B69C

triadic

#40B661 #6140B6 #B66140

tetradic

#40B661 #405AB6 #B64095 #B69C40

square

#40B661 #405AB6 #B64095 #B69C40

split-complementary

#40B661 #9C40B6 #B6405A

monochromatic

#205B31 #308949 #40B661 #69CA84 #96DAA9

Accessibility & contrast

On white

2.60

#40B661 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#40B661 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B661

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B661	#FFFFFF	#000000	##000000
##40B661	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A75A

Deuteranopia (green-blind)

#A99C67

Tritanopia (blue-blind)

#14B3A2

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b661;
/* rgb */ color: rgb(64, 182, 97);
/* oklch */ color: oklch(69.0% 0.161 149.3);

Tailwind

colors: {
  custom: {
    50: '#82cd8f',
    500: '#40b661',
    950: '#000000',
  },
}

SCSS

$custom: #40b661;
$custom-light: #82cd8f;
$custom-dark: #000000;

JSON

{
  "hex": "#40b661",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 97
  },
  "hsl": {
    "h": 136.78,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.69001,
    "c": 0.16149,
    "h": 149.3
  },
  "luminance": 0.35409
}

Semantic roles & 50–950 ramp

primary

#40B661

secondary

#C68CB6

accent

#50B2D8

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130C

muted

#7D827D

Preview Lab

Preview with #40B661

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

Preview Lab → · Contrast checker → · Palette generator →