#40B863#40B863

#40B863 is a light, vivid green. Relative luminance 0.363; OKLCH L 69.6% C 0.162 H 149.6°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#40B863
RGB	rgb(64, 184, 99)
HSL	hsl(138, 48%, 49%)
HSV	hsv(138, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 46.2%, 27.8%)
CIE-LAB	lab(66.73, -51.90, 33.54)
CIE-LCH	lch(66.73, 61.79, 147.13°)
OKLab	oklab(69.56% -0.14 0.0821)
OKLCH	oklch(69.56% 0.162 149.6)
XYZ	xyz(21.5053, 36.2696, 17.6694)
Luminance	0.3627 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B863 #B84095

analogous

#59B840 #40B863 #40B89F

triadic

#40B863 #6340B8 #B86340

tetradic

#40B863 #4059B8 #B84095 #B89F40

square

#40B863 #4059B8 #B84095 #B89F40

split-complementary

#40B863 #9F40B8 #B84059

monochromatic

#205D32 #308B4B #40B863 #6ACB86 #97DBAB

Accessibility & contrast

On white

2.54

#40B863 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#40B863 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B863

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B863	#FFFFFF	#000000	##000000
##40B863	1.00	2.54	8.25	8.25
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A95C

Deuteranopia (green-blind)

#AA9E69

Tritanopia (blue-blind)

#10B5A4

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b863;
/* rgb */ color: rgb(64, 184, 99);
/* oklch */ color: oklch(69.6% 0.162 149.6);

Tailwind

colors: {
  custom: {
    50: '#82ce90',
    500: '#40b863',
    950: '#000000',
  },
}

SCSS

$custom: #40b863;
$custom-light: #82ce90;
$custom-dark: #000000;

JSON

{
  "hex": "#40b863",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 99
  },
  "hsl": {
    "h": 137.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.69556,
    "c": 0.16232,
    "h": 149.6
  },
  "luminance": 0.36272
}

Semantic roles & 50–950 ramp

primary

#40B863

secondary

#C78DB6

accent

#50B0D8

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C140D

muted

#7D827D

Preview Lab

Preview with #40B863

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

Preview Lab → · Contrast checker → · Palette generator →