#63E18F#63E18F

#63E18F is a light, vivid green. Relative luminance 0.585; OKLCH L 81.8% C 0.162 H 152.5°. Best body text is #000000 at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#63E18F
RGB	rgb(99, 225, 143)
HSL	hsl(141, 68%, 64%)
HSV	hsv(141, 56%, 88%)
CMYK	cmyk(56%, 0%, 36.4%, 11.8%)
CIE-LAB	lab(81.01, -52.96, 29.83)
CIE-LCH	lch(81.01, 60.79, 150.61°)
OKLab	oklab(81.8% -0.1437 0.0746)
OKLCH	oklch(81.8% 0.162 152.5)
XYZ	xyz(37.0259, 58.4829, 35.3184)
Luminance	0.5849 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63E18F #E163B5

analogous

#76E163 #63E18F #63E1CE

triadic

#63E18F #8F63E1 #E18F63

tetradic

#63E18F #6376E1 #E163B5 #E1CE63

square

#63E18F #6376E1 #E163B5 #E1CE63

split-complementary

#63E18F #CE63E1 #E16376

monochromatic

#21A950 #30D76A #63E18F #96EBB4 #CAF5D9

Accessibility & contrast

On white

1.65

#63E18F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.70

#63E18F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E18F

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63E18F	#FFFFFF	#000000	##000000
##63E18F	1.00	1.65	12.70	12.70
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.70	21.00	1.00	1.00
##000000	12.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1D08A

Deuteranopia (green-blind)

#D0C494

Tritanopia (blue-blind)

#3FDECC

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63e18f;
/* rgb */ color: rgb(99, 225, 143);
/* oklch */ color: oklch(81.8% 0.162 152.5);

Tailwind

colors: {
  custom: {
    50: '#99ebb0',
    500: '#63e18f',
    950: '#000000',
  },
}

SCSS

$custom: #63e18f;
$custom-light: #99ebb0;
$custom-dark: #000000;

JSON

{
  "hex": "#63e18f",
  "rgb": {
    "r": 99,
    "g": 225,
    "b": 143
  },
  "hsl": {
    "h": 140.952,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.81799,
    "c": 0.16189,
    "h": 152.5
  },
  "luminance": 0.58486
}

Semantic roles & 50–950 ramp

primary

#63E18F

secondary

#AB3D85

accent

#168FD0

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1610

muted

#808581

Preview Lab

Preview with #63E18F

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

Preview Lab → · Contrast checker → · Palette generator →