#40B255#40B255

#40B255 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.8% C 0.167 H 146.8°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#40B255
RGB	rgb(64, 178, 85)
HSL	hsl(131, 47%, 47%)
HSV	hsv(131, 64%, 70%)
CMYK	cmyk(64%, 0%, 52.2%, 30.2%)
CIE-LAB	lab(64.63, -51.78, 37.98)
CIE-LCH	lch(64.63, 64.22, 143.74°)
OKLab	oklab(67.77% -0.1399 0.0915)
OKLCH	oklch(67.77% 0.167 146.8)
XYZ	xyz(19.6731, 33.5847, 14.0383)
Luminance	0.3359 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B255 #B2409D

analogous

#64B240 #40B255 #40B28E

triadic

#40B255 #5540B2 #B25540

tetradic

#40B255 #4064B2 #B2409D #B28E40

square

#40B255 #4064B2 #B2409D #B28E40

split-complementary

#40B255 #8E40B2 #B24064

monochromatic

#20582A #308540 #40B255 #67C879 #94D8A1

Accessibility & contrast

On white

2.72

#40B255 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#40B255 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B255

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B255	#FFFFFF	#000000	##000000
##40B255	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A34D

Deuteranopia (green-blind)

#A6995C

Tritanopia (blue-blind)

#1FAE9D

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b255;
/* rgb */ color: rgb(64, 178, 85);
/* oklch */ color: oklch(67.8% 0.167 146.8);

Tailwind

colors: {
  custom: {
    50: '#82ca87',
    500: '#40b255',
    950: '#000000',
  },
}

SCSS

$custom: #40b255;
$custom-light: #82ca87;
$custom-dark: #000000;

JSON

{
  "hex": "#40b255",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 85
  },
  "hsl": {
    "h": 131.053,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67767,
    "c": 0.16713,
    "h": 146.8
  },
  "luminance": 0.33587
}

Semantic roles & 50–950 ramp

primary

#40B255

secondary

#C48AB9

accent

#51BED7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #40B255

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

Preview Lab → · Contrast checker → · Palette generator →