#40B263#40B263

#40B263 is a light, vivid green. Relative luminance 0.338; OKLCH L 68.0% C 0.154 H 150.2°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#40B263
RGB	rgb(64, 178, 99)
HSL	hsl(138, 47%, 47%)
HSV	hsv(138, 64%, 70%)
CMYK	cmyk(64%, 0%, 44.4%, 30.2%)
CIE-LAB	lab(64.83, -49.59, 31.11)
CIE-LCH	lch(64.83, 58.54, 147.90°)
OKLab	oklab(67.99% -0.1339 0.0766)
OKLCH	oklch(67.99% 0.154 150.2)
XYZ	xyz(20.2853, 33.8296, 17.2627)
Luminance	0.3383 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B263 #B2408F

analogous

#56B240 #40B263 #40B29C

triadic

#40B263 #6340B2 #B26340

tetradic

#40B263 #4056B2 #B2408F #B29C40

square

#40B263 #4056B2 #B2408F #B29C40

split-complementary

#40B263 #9C40B2 #B24056

monochromatic

#205831 #30854A #40B263 #67C885 #94D8A9

Accessibility & contrast

On white

2.70

#40B263 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#40B263 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B263

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B263	#FFFFFF	#000000	##000000
##40B263	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A35D

Deuteranopia (green-blind)

#A49968

Tritanopia (blue-blind)

#16AF9F

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b263;
/* rgb */ color: rgb(64, 178, 99);
/* oklch */ color: oklch(68.0% 0.154 150.2);

Tailwind

colors: {
  custom: {
    50: '#81ca90',
    500: '#40b263',
    950: '#000000',
  },
}

SCSS

$custom: #40b263;
$custom-light: #81ca90;
$custom-dark: #000000;

JSON

{
  "hex": "#40b263",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 99
  },
  "hsl": {
    "h": 138.421,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67992,
    "c": 0.15421,
    "h": 150.2
  },
  "luminance": 0.33832
}

Semantic roles & 50–950 ramp

primary

#40B263

secondary

#C48AB2

accent

#51AED7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40B263

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

Preview Lab → · Contrast checker → · Palette generator →