#40CE39#40CE39

#40CE39 is a light, highly saturated green. Relative luminance 0.455; OKLCH L 74.8% C 0.222 H 142.4°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#40CE39
RGB	rgb(64, 206, 57)
HSL	hsl(117, 60%, 52%)
HSV	hsv(117, 72%, 81%)
CMYK	cmyk(68.9%, 0%, 72.3%, 19.2%)
CIE-LAB	lab(73.24, -64.61, 59.75)
CIE-LCH	lch(73.24, 88.00, 137.24°)
OKLab	oklab(74.8% -0.1758 0.1354)
OKLCH	oklch(74.8% 0.222 142.4)
XYZ	xyz(24.9227, 45.5253, 11.3439)
Luminance	0.4553 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CE39 #C739CE

analogous

#8BCE39 #40CE39 #39CE7D

triadic

#40CE39 #3940CE #CE3940

tetradic

#40CE39 #398BCE #C739CE #CE7D39

square

#40CE39 #398BCE #C739CE #CE7D39

split-complementary

#40CE39 #7D39CE #CE398B

monochromatic

#20711C #2EA228 #40CE39 #6FDA6A #9FE69B

Accessibility & contrast

On white

2.08

#40CE39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#40CE39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CE39

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CE39	#FFFFFF	#000000	##000000
##40CE39	1.00	2.08	10.11	10.11
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.11	21.00	1.00	1.00
##000000	10.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1E

Deuteranopia (green-blind)

#C2AF48

Tritanopia (blue-blind)

#19C8B1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #40ce39;
/* rgb */ color: rgb(64, 206, 57);
/* oklch */ color: oklch(74.8% 0.222 142.4);

Tailwind

colors: {
  custom: {
    50: '#88de78',
    500: '#40ce39',
    950: '#000000',
  },
}

SCSS

$custom: #40ce39;
$custom-light: #88de78;
$custom-dark: #000000;

JSON

{
  "hex": "#40ce39",
  "rgb": {
    "r": 64,
    "g": 206,
    "b": 57
  },
  "hsl": {
    "h": 117.181,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.74802,
    "c": 0.22188,
    "h": 142.4
  },
  "luminance": 0.45528
}

Semantic roles & 50–950 ramp

primary

#40CE39

secondary

#CF91D2

accent

#44E3DC

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #40CE39

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

Preview Lab → · Contrast checker → · Palette generator →