#40E370#40E370

#40E370 is a light, highly saturated green. Relative luminance 0.572; OKLCH L 80.8% C 0.206 H 148.8°. Best body text is #000000 at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#40E370
RGB	rgb(64, 227, 112)
HSL	hsl(138, 74%, 57%)
HSV	hsv(138, 72%, 89%)
CMYK	cmyk(71.8%, 0%, 50.7%, 11%)
CIE-LAB	lab(80.29, -65.38, 44.12)
CIE-LCH	lch(80.29, 78.87, 145.99°)
OKLab	oklab(80.81% -0.1759 0.1067)
OKLCH	oklch(80.81% 0.206 148.8)
XYZ	xyz(32.5055, 57.1943, 24.6526)
Luminance	0.5720 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E370 #E340B3

analogous

#62E340 #40E370 #40E3C2

triadic

#40E370 #7040E3 #E37040

tetradic

#40E370 #4062E3 #E340B3 #E3C240

square

#40E370 #4062E3 #E340B3 #E3C240

split-complementary

#40E370 #C240E3 #E34062

monochromatic

#16933B #1DC850 #40E370 #75EB98 #ABF3C0

Accessibility & contrast

On white

1.69

#40E370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.44

#40E370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E370

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E370	#FFFFFF	#000000	##000000
##40E370	1.00	1.69	12.44	12.44
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.44	21.00	1.00	1.00
##000000	12.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CF66

Deuteranopia (green-blind)

#D2C278

Tritanopia (blue-blind)

#00DFC8

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #40e370;
/* rgb */ color: rgb(64, 227, 112);
/* oklch */ color: oklch(80.8% 0.206 148.8);

Tailwind

colors: {
  custom: {
    50: '#8bed9b',
    500: '#40e370',
    950: '#000000',
  },
}

SCSS

$custom: #40e370;
$custom-light: #8bed9b;
$custom-dark: #000000;

JSON

{
  "hex": "#40e370",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 112
  },
  "hsl": {
    "h": 137.669,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.80813,
    "c": 0.20572,
    "h": 148.8
  },
  "luminance": 0.57198
}

Semantic roles & 50–950 ramp

primary

#40E370

secondary

#973079

accent

#37BAF1

background

#FCFFFC

surface

#F4FEF5

border

#CED6CF

text

#0D160E

muted

#7F857F

Preview Lab

Preview with #40E370

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

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