#40B070#40B070

#40B070 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.7% C 0.139 H 154.7°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#40B070
RGB	rgb(64, 176, 112)
HSL	hsl(146, 47%, 47%)
HSV	hsv(146, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 36.4%, 31%)
CIE-LAB	lab(64.41, -46.44, 23.69)
CIE-LCH	lch(64.41, 52.13, 152.97°)
OKLab	oklab(67.72% -0.1258 0.0594)
OKLCH	oklch(67.72% 0.139 154.7)
XYZ	xyz(20.5626, 33.3084, 20.6716)
Luminance	0.3331 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B070 #B04080

analogous

#48B040 #40B070 #40B0A8

triadic

#40B070 #7040B0 #B07040

tetradic

#40B070 #4048B0 #B04080 #B0A840

square

#40B070 #4048B0 #B04080 #B0A840

split-complementary

#40B070 #A840B0 #B04048

monochromatic

#1F5637 #308353 #40B070 #66C790 #93D8B0

Accessibility & contrast

On white

2.74

#40B070 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#40B070 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B070

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B070	#FFFFFF	#000000	##000000
##40B070	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A26C

Deuteranopia (green-blind)

#A19874

Tritanopia (blue-blind)

#07AEA0

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b070;
/* rgb */ color: rgb(64, 176, 112);
/* oklch */ color: oklch(67.7% 0.139 154.7);

Tailwind

colors: {
  custom: {
    50: '#81c899',
    500: '#40b070',
    950: '#000000',
  },
}

SCSS

$custom: #40b070;
$custom-light: #81c899;
$custom-dark: #000000;

JSON

{
  "hex": "#40b070",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 112
  },
  "hsl": {
    "h": 145.714,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.67719,
    "c": 0.13915,
    "h": 154.7
  },
  "luminance": 0.33311
}

Semantic roles & 50–950 ramp

primary

#40B070

secondary

#C389AA

accent

#519DD6

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B070

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

Preview Lab → · Contrast checker → · Palette generator →