#40B974#40B974

#40B974 is a light, vivid green. Relative luminance 0.370; OKLCH L 70.1% C 0.148 H 154.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#40B974
RGB	rgb(64, 185, 116)
HSL	hsl(146, 49%, 49%)
HSV	hsv(146, 65%, 73%)
CMYK	cmyk(65.4%, 0%, 37.3%, 27.5%)
CIE-LAB	lab(67.31, -49.28, 25.44)
CIE-LCH	lch(67.31, 55.46, 152.70°)
OKLab	oklab(70.13% -0.1334 0.0637)
OKLCH	oklch(70.13% 0.148 154.5)
XYZ	xyz(22.6137, 37.0465, 22.4785)
Luminance	0.3705 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B974 #B94085

analogous

#49B940 #40B974 #40B9B1

triadic

#40B974 #7440B9 #B97440

tetradic

#40B974 #4049B9 #B94085 #B9B140

square

#40B974 #4049B9 #B94085 #B9B140

split-complementary

#40B974 #B140B9 #B94049

monochromatic

#215E3B #308C57 #40B974 #6BCC94 #98DBB5

Accessibility & contrast

On white

2.50

#40B974 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#40B974 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B974

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B974	#FFFFFF	#000000	##000000
##40B974	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9AB6F

Deuteranopia (green-blind)

#A99F78

Tritanopia (blue-blind)

#00B7A7

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b974;
/* rgb */ color: rgb(64, 185, 116);
/* oklch */ color: oklch(70.1% 0.148 154.5);

Tailwind

colors: {
  custom: {
    50: '#82cf9c',
    500: '#40b974',
    950: '#000000',
  },
}

SCSS

$custom: #40b974;
$custom-light: #82cf9c;
$custom-dark: #000000;

JSON

{
  "hex": "#40b974",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 116
  },
  "hsl": {
    "h": 145.785,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.70127,
    "c": 0.14778,
    "h": 154.5
  },
  "luminance": 0.37049
}

Semantic roles & 50–950 ramp

primary

#40B974

secondary

#C78EAE

accent

#509DD8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C140E

muted

#7D827E

Preview Lab

Preview with #40B974

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

Preview Lab → · Contrast checker → · Palette generator →