#40B377#40B377

#40B377 is a light, vivid green. Relative luminance 0.347; OKLCH L 68.6% C 0.137 H 156.8°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#40B377
RGB	rgb(64, 179, 119)
HSL	hsl(149, 47%, 48%)
HSV	hsv(149, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 33.5%, 29.8%)
CIE-LAB	lab(65.48, -46.27, 21.37)
CIE-LCH	lch(65.48, 50.97, 155.21°)
OKLab	oklab(68.64% -0.1257 0.0539)
OKLCH	oklch(68.64% 0.137 156.8)
XYZ	xyz(21.5623, 34.6599, 23.0029)
Luminance	0.3466 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B377 #B3407C

analogous

#42B340 #40B377 #40B3B1

triadic

#40B377 #7740B3 #B37740

tetradic

#40B377 #4042B3 #B3407C #B3B140

square

#40B377 #4042B3 #B3407C #B3B140

split-complementary

#40B377 #B140B3 #B34042

monochromatic

#20593B #308659 #40B377 #67C996 #94D9B5

Accessibility & contrast

On white

2.65

#40B377 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#40B377 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B377

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B377	#FFFFFF	#000000	##000000
##40B377	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A573

Deuteranopia (green-blind)

#A39B7B

Tritanopia (blue-blind)

#00B2A3

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b377;
/* rgb */ color: rgb(64, 179, 119);
/* oklch */ color: oklch(68.6% 0.137 156.8);

Tailwind

colors: {
  custom: {
    50: '#81ca9e',
    500: '#40b377',
    950: '#000000',
  },
}

SCSS

$custom: #40b377;
$custom-light: #81ca9e;
$custom-dark: #000000;

JSON

{
  "hex": "#40b377",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 119
  },
  "hsl": {
    "h": 148.696,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68643,
    "c": 0.13678,
    "h": 156.8
  },
  "luminance": 0.34662
}

Semantic roles & 50–950 ramp

primary

#40B377

secondary

#C48AA9

accent

#5197D7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B377

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

Preview Lab → · Contrast checker → · Palette generator →