#40E27B#40E27B

#40E27B is a light, vivid green. Relative luminance 0.569; OKLCH L 80.7% C 0.195 H 151.0°. Best body text is #000000 at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#40E27B
RGB	rgb(64, 226, 123)
HSL	hsl(142, 74%, 57%)
HSV	hsv(142, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 45.6%, 11.4%)
CIE-LAB	lab(80.13, -63.34, 38.58)
CIE-LCH	lch(80.13, 74.16, 148.66°)
OKLab	oklab(80.73% -0.1704 0.0946)
OKLCH	oklch(80.73% 0.195 151)
XYZ	xyz(32.8831, 56.9090, 27.9866)
Luminance	0.5691 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E27B #E240A7

analogous

#56E240 #40E27B #40E2CC

triadic

#40E27B #7B40E2 #E27B40

tetradic

#40E27B #4056E2 #E240A7 #E2CC40

square

#40E27B #4056E2 #E240A7 #E2CC40

split-complementary

#40E27B #CC40E2 #E24056

monochromatic

#169243 #1EC75C #40E27B #75EAA0 #AAF2C4

Accessibility & contrast

On white

1.70

#40E27B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.38

#40E27B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E27B

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E27B	#FFFFFF	#000000	##000000
##40E27B	1.00	1.70	12.38	12.38
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.38	21.00	1.00	1.00
##000000	12.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CF73

Deuteranopia (green-blind)

#D0C182

Tritanopia (blue-blind)

#00DEC9

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #40e27b;
/* rgb */ color: rgb(64, 226, 123);
/* oklch */ color: oklch(80.7% 0.195 151.0);

Tailwind

colors: {
  custom: {
    50: '#8aeca2',
    500: '#40e27b',
    950: '#000000',
  },
}

SCSS

$custom: #40e27b;
$custom-light: #8aeca2;
$custom-dark: #000000;

JSON

{
  "hex": "#40e27b",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 123
  },
  "hsl": {
    "h": 141.852,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.80728,
    "c": 0.19492,
    "h": 151
  },
  "luminance": 0.56913
}

Semantic roles & 50–950 ramp

primary

#40E27B

secondary

#963071

accent

#38ADF0

background

#FCFFFC

surface

#F4FEF5

border

#CED6CF

text

#0D160F

muted

#7F8580

Preview Lab

Preview with #40E27B

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

Preview Lab → · Contrast checker → · Palette generator →