#40B658#40B658

#40B658 is a light, vivid green. Relative luminance 0.352; OKLCH L 68.9% C 0.170 H 147.2°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#40B658
RGB	rgb(64, 182, 88)
HSL	hsl(132, 48%, 48%)
HSV	hsv(132, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 51.6%, 28.6%)
CIE-LAB	lab(65.94, -52.85, 38.10)
CIE-LCH	lch(65.94, 65.15, 144.21°)
OKLab	oklab(68.86% -0.1427 0.0919)
OKLCH	oklch(68.86% 0.17 147.2)
XYZ	xyz(20.6023, 35.2484, 14.9485)
Luminance	0.3525 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B658 #B6409E

analogous

#63B640 #40B658 #40B693

triadic

#40B658 #5840B6 #B65840

tetradic

#40B658 #4063B6 #B6409E #B69340

square

#40B658 #4063B6 #B6409E #B69340

split-complementary

#40B658 #9340B6 #B64063

monochromatic

#205B2C #308942 #40B658 #69CA7D #96DAA4

Accessibility & contrast

On white

2.61

#40B658 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#40B658 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B658

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B658	#FFFFFF	#000000	##000000
##40B658	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A650

Deuteranopia (green-blind)

#A99C5F

Tritanopia (blue-blind)

#1BB2A0

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b658;
/* rgb */ color: rgb(64, 182, 88);
/* oklch */ color: oklch(68.9% 0.170 147.2);

Tailwind

colors: {
  custom: {
    50: '#82cd89',
    500: '#40b658',
    950: '#000000',
  },
}

SCSS

$custom: #40b658;
$custom-light: #82cd89;
$custom-dark: #000000;

JSON

{
  "hex": "#40b658",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 88
  },
  "hsl": {
    "h": 132.203,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.6886,
    "c": 0.16971,
    "h": 147.2
  },
  "luminance": 0.3525
}

Semantic roles & 50–950 ramp

primary

#40B658

secondary

#C68CBA

accent

#50BCD8

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C140C

muted

#7D827D

Preview Lab

Preview with #40B658

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

Preview Lab → · Contrast checker → · Palette generator →