#40D255#40D255

#40D255 is a light, highly saturated green. Relative luminance 0.478; OKLCH L 76.1% C 0.207 H 145.4°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#40D255
RGB	rgb(64, 210, 85)
HSL	hsl(129, 62%, 54%)
HSV	hsv(129, 70%, 82%)
CMYK	cmyk(69.5%, 0%, 59.5%, 17.6%)
CIE-LAB	lab(74.72, -63.18, 49.97)
CIE-LCH	lch(74.72, 80.55, 141.65°)
OKLab	oklab(76.11% -0.1706 0.1177)
OKLCH	oklch(76.11% 0.207 145.4)
XYZ	xyz(26.7988, 47.8361, 16.4135)
Luminance	0.4784 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D255 #D240BD

analogous

#74D240 #40D255 #40D29E

triadic

#40D255 #5540D2 #D25540

tetradic

#40D255 #4074D2 #D240BD #D29E40

square

#40D255 #4074D2 #D240BD #D29E40

split-complementary

#40D255 #9E40D2 #D24074

monochromatic

#1D7B2A #29AC3C #40D255 #72DE81 #A3E9AD

Accessibility & contrast

On white

1.99

#40D255 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#40D255 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D255

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D255	#FFFFFF	#000000	##000000
##40D255	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BF48

Deuteranopia (green-blind)

#C4B35F

Tritanopia (blue-blind)

#00CDB7

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #40d255;
/* rgb */ color: rgb(64, 210, 85);
/* oklch */ color: oklch(76.1% 0.207 145.4);

Tailwind

colors: {
  custom: {
    50: '#88e189',
    500: '#40d255',
    950: '#000000',
  },
}

SCSS

$custom: #40d255;
$custom-light: #88e189;
$custom-dark: #000000;

JSON

{
  "hex": "#40d255",
  "rgb": {
    "r": 64,
    "g": 210,
    "b": 85
  },
  "hsl": {
    "h": 128.63,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.76107,
    "c": 0.20729,
    "h": 145.4
  },
  "luminance": 0.47839
}

Semantic roles & 50–950 ramp

primary

#40D255

secondary

#D698CD

accent

#43CEE5

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #40D255

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

Preview Lab → · Contrast checker → · Palette generator →