#40B174#40B174

#40B174 is a light, vivid green. Relative luminance 0.338; OKLCH L 68.1% C 0.137 H 156.0°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#40B174
RGB	rgb(64, 177, 116)
HSL	hsl(148, 47%, 47%)
HSV	hsv(148, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 34.5%, 30.6%)
CIE-LAB	lab(64.80, -46.06, 22.06)
CIE-LCH	lch(64.80, 51.07, 154.41°)
OKLab	oklab(68.06% -0.125 0.0555)
OKLCH	oklch(68.06% 0.137 156)
XYZ	xyz(20.9870, 33.7931, 21.9363)
Luminance	0.3379 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B174 #B1407D

analogous

#44B140 #40B174 #40B1AD

triadic

#40B174 #7440B1 #B17440

tetradic

#40B174 #4044B1 #B1407D #B1AD40

square

#40B174 #4044B1 #B1407D #B1AD40

split-complementary

#40B174 #AD40B1 #B14044

monochromatic

#1F5739 #308457 #40B174 #66C893 #93D8B3

Accessibility & contrast

On white

2.71

#40B174 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#40B174 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B174

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B174	#FFFFFF	#000000	##000000
##40B174	1.00	2.71	7.76	7.76
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A470

Deuteranopia (green-blind)

#A19978

Tritanopia (blue-blind)

#00AFA1

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b174;
/* rgb */ color: rgb(64, 177, 116);
/* oklch */ color: oklch(68.1% 0.137 156.0);

Tailwind

colors: {
  custom: {
    50: '#81c99c',
    500: '#40b174',
    950: '#000000',
  },
}

SCSS

$custom: #40b174;
$custom-light: #81c99c;
$custom-dark: #000000;

JSON

{
  "hex": "#40b174",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 116
  },
  "hsl": {
    "h": 147.611,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.68062,
    "c": 0.13679,
    "h": 156
  },
  "luminance": 0.33795
}

Semantic roles & 50–950 ramp

primary

#40B174

secondary

#C389A9

accent

#5199D7

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B174

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

Preview Lab → · Contrast checker → · Palette generator →