#40B358#40B358

#40B358 is a light, vivid green. Relative luminance 0.340; OKLCH L 68.1% C 0.166 H 147.4°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#40B358
RGB	rgb(64, 179, 88)
HSL	hsl(133, 47%, 48%)
HSV	hsv(133, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 50.8%, 29.8%)
CIE-LAB	lab(64.99, -51.72, 36.93)
CIE-LCH	lch(64.99, 63.55, 144.47°)
OKLab	oklab(68.07% -0.1396 0.0893)
OKLCH	oklch(68.07% 0.166 147.4)
XYZ	xyz(19.9945, 34.0327, 14.7459)
Luminance	0.3403 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B358 #B3409B

analogous

#61B340 #40B358 #40B392

triadic

#40B358 #5840B3 #B35840

tetradic

#40B358 #4061B3 #B3409B #B39240

square

#40B358 #4061B3 #B3409B #B39240

split-complementary

#40B358 #9240B3 #B34061

monochromatic

#20592C #308642 #40B358 #67C97C #94D9A3

Accessibility & contrast

On white

2.69

#40B358 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#40B358 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B358

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B358	#FFFFFF	#000000	##000000
##40B358	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A450

Deuteranopia (green-blind)

#A79A5F

Tritanopia (blue-blind)

#1DAF9E

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b358;
/* rgb */ color: rgb(64, 179, 88);
/* oklch */ color: oklch(68.1% 0.166 147.4);

Tailwind

colors: {
  custom: {
    50: '#82cb89',
    500: '#40b358',
    950: '#000000',
  },
}

SCSS

$custom: #40b358;
$custom-light: #82cb89;
$custom-dark: #000000;

JSON

{
  "hex": "#40b358",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 88
  },
  "hsl": {
    "h": 132.522,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68074,
    "c": 0.16576,
    "h": 147.4
  },
  "luminance": 0.34035
}

Semantic roles & 50–950 ramp

primary

#40B358

secondary

#C48AB8

accent

#51BBD7

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130C

muted

#7D827D

Preview Lab

Preview with #40B358

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

Preview Lab → · Contrast checker → · Palette generator →