#40B866#40B866

#40B866 is a light, vivid green. Relative luminance 0.363; OKLCH L 69.6% C 0.160 H 150.4°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#40B866
RGB	rgb(64, 184, 102)
HSL	hsl(139, 48%, 49%)
HSV	hsv(139, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 44.6%, 27.8%)
CIE-LAB	lab(66.77, -51.40, 32.06)
CIE-LCH	lch(66.77, 60.58, 148.05°)
OKLab	oklab(69.61% -0.1387 0.0788)
OKLCH	oklch(69.61% 0.16 150.4)
XYZ	xyz(21.6514, 36.3280, 18.4388)
Luminance	0.3633 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B866 #B84092

analogous

#56B840 #40B866 #40B8A2

triadic

#40B866 #6640B8 #B86640

tetradic

#40B866 #4056B8 #B84092 #B8A240

square

#40B866 #4056B8 #B84092 #B8A240

split-complementary

#40B866 #A240B8 #B84056

monochromatic

#205D34 #308B4D #40B866 #6ACB89 #97DBAD

Accessibility & contrast

On white

2.54

#40B866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#40B866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B866

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B866	#FFFFFF	#000000	##000000
##40B866	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A960

Deuteranopia (green-blind)

#AA9E6C

Tritanopia (blue-blind)

#0CB5A4

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b866;
/* rgb */ color: rgb(64, 184, 102);
/* oklch */ color: oklch(69.6% 0.160 150.4);

Tailwind

colors: {
  custom: {
    50: '#82ce93',
    500: '#40b866',
    950: '#000000',
  },
}

SCSS

$custom: #40b866;
$custom-light: #82ce93;
$custom-dark: #000000;

JSON

{
  "hex": "#40b866",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 102
  },
  "hsl": {
    "h": 139,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.69607,
    "c": 0.15952,
    "h": 150.4
  },
  "luminance": 0.3633
}

Semantic roles & 50–950 ramp

primary

#40B866

secondary

#C78DB4

accent

#50ADD8

background

#F8FCF9

surface

#F0F9F1

border

#CBD2CB

text

#0C140D

muted

#7D827E

Preview Lab

Preview with #40B866

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

Preview Lab → · Contrast checker → · Palette generator →