#40B970#40B970

#40B970 is a light, vivid green. Relative luminance 0.370; OKLCH L 70.0% C 0.152 H 153.2°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#40B970
RGB	rgb(64, 185, 112)
HSL	hsl(144, 49%, 49%)
HSV	hsv(144, 65%, 73%)
CMYK	cmyk(65.4%, 0%, 39.5%, 27.5%)
CIE-LAB	lab(67.24, -50.03, 27.46)
CIE-LCH	lch(67.24, 57.07, 151.24°)
OKLab	oklab(70.05% -0.1352 0.0684)
OKLCH	oklch(70.05% 0.152 153.2)
XYZ	xyz(22.3861, 36.9554, 21.2794)
Luminance	0.3696 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B970 #B94089

analogous

#4DB940 #40B970 #40B9AD

triadic

#40B970 #7040B9 #B97040

tetradic

#40B970 #404DB9 #B94089 #B9AD40

square

#40B970 #404DB9 #B94089 #B9AD40

split-complementary

#40B970 #AD40B9 #B9404D

monochromatic

#215E39 #308C54 #40B970 #6BCC91 #98DBB3

Accessibility & contrast

On white

2.50

#40B970 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#40B970 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B970

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B970	#FFFFFF	#000000	##000000
##40B970	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9AA6B

Deuteranopia (green-blind)

#AA9F75

Tritanopia (blue-blind)

#00B7A7

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b970;
/* rgb */ color: rgb(64, 185, 112);
/* oklch */ color: oklch(70.0% 0.152 153.2);

Tailwind

colors: {
  custom: {
    50: '#82cf9a',
    500: '#40b970',
    950: '#000000',
  },
}

SCSS

$custom: #40b970;
$custom-light: #82cf9a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b970",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 112
  },
  "hsl": {
    "h": 143.802,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.70049,
    "c": 0.15151,
    "h": 153.2
  },
  "luminance": 0.36958
}

Semantic roles & 50–950 ramp

primary

#40B970

secondary

#C78EB0

accent

#50A2D8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C140E

muted

#7D827E

Preview Lab

Preview with #40B970

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

Preview Lab → · Contrast checker → · Palette generator →