#40A166#40A166

#40A166 is a light, vivid green. Relative luminance 0.275; OKLCH L 63.6% C 0.127 H 153.8°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#40A166
RGB	rgb(64, 161, 102)
HSL	hsl(144, 43%, 44%)
HSV	hsv(144, 60%, 63%)
CMYK	cmyk(60.2%, 0%, 36.6%, 36.9%)
CIE-LAB	lab(59.47, -42.17, 22.48)
CIE-LCH	lch(59.47, 47.79, 151.94°)
OKLab	oklab(63.6% -0.1144 0.0563)
OKLCH	oklch(63.6% 0.127 153.8)
XYZ	xyz(17.2561, 27.5374, 16.9737)
Luminance	0.2754 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A166 #A1407B

analogous

#4BA140 #40A166 #40A197

triadic

#40A166 #6640A1 #A16640

tetradic

#40A166 #404BA1 #A1407B #A19740

square

#40A166 #404BA1 #A1407B #A19740

split-complementary

#40A166 #9740A1 #A1404B

monochromatic

#1D492F #2F754A #40A166 #5FBF85 #8BD1A6

Accessibility & contrast

On white

3.23

#40A166 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#40A166 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A166

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A166	#FFFFFF	#000000	##000000
##40A166	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A19562

Deuteranopia (green-blind)

#948C6A

Tritanopia (blue-blind)

#1E9F92

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #40a166;
/* rgb */ color: rgb(64, 161, 102);
/* oklch */ color: oklch(63.6% 0.127 153.8);

Tailwind

colors: {
  custom: {
    50: '#7ebd92',
    500: '#40a166',
    950: '#000000',
  },
}

SCSS

$custom: #40a166;
$custom-light: #7ebd92;
$custom-dark: #000000;

JSON

{
  "hex": "#40a166",
  "rgb": {
    "r": 64,
    "g": 161,
    "b": 102
  },
  "hsl": {
    "h": 143.505,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.63604,
    "c": 0.12749,
    "h": 153.8
  },
  "luminance": 0.27539
}

Semantic roles & 50–950 ramp

primary

#40A166

secondary

#BC81A5

accent

#55A2D3

background

#F8FBF9

surface

#EFF7F1

border

#CAD0CB

text

#0B120D

muted

#7C817E

Preview Lab

Preview with #40A166

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

Preview Lab → · Contrast checker → · Palette generator →