#40B374#40B374

#40B374 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.6% C 0.140 H 155.6°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#40B374
RGB	rgb(64, 179, 116)
HSL	hsl(147, 47%, 48%)
HSV	hsv(147, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 35.2%, 29.8%)
CIE-LAB	lab(65.43, -46.87, 22.91)
CIE-LCH	lch(65.43, 52.17, 153.95°)
OKLab	oklab(68.58% -0.1271 0.0576)
OKLCH	oklch(68.58% 0.14 155.6)
XYZ	xyz(21.3850, 34.5889, 22.0689)
Luminance	0.3459 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B374 #B3407F

analogous

#46B340 #40B374 #40B3AD

triadic

#40B374 #7440B3 #B37440

tetradic

#40B374 #4046B3 #B3407F #B3AD40

square

#40B374 #4046B3 #B3407F #B3AD40

split-complementary

#40B374 #AD40B3 #B34046

monochromatic

#20593A #308657 #40B374 #67C993 #94D9B3

Accessibility & contrast

On white

2.65

#40B374 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#40B374 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B374

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B374	#FFFFFF	#000000	##000000
##40B374	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A570

Deuteranopia (green-blind)

#A39B78

Tritanopia (blue-blind)

#00B1A3

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b374;
/* rgb */ color: rgb(64, 179, 116);
/* oklch */ color: oklch(68.6% 0.140 155.6);

Tailwind

colors: {
  custom: {
    50: '#81ca9c',
    500: '#40b374',
    950: '#000000',
  },
}

SCSS

$custom: #40b374;
$custom-light: #81ca9c;
$custom-dark: #000000;

JSON

{
  "hex": "#40b374",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 116
  },
  "hsl": {
    "h": 147.13,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68579,
    "c": 0.13956,
    "h": 155.6
  },
  "luminance": 0.34591
}

Semantic roles & 50–950 ramp

primary

#40B374

secondary

#C48AAA

accent

#519AD7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B374

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

Preview Lab → · Contrast checker → · Palette generator →