#63C728#63C728

#63C728 is a light, highly saturated yellow-green. Relative luminance 0.437; OKLCH L 74.0% C 0.209 H 137.0°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX#63C728
RGBrgb(99, 199, 40)
HSLhsl(98, 67%, 47%)
HSVhsv(98, 80%, 78%)
CMYKcmyk(50.3%, 0%, 79.9%, 22%)
CIE-LABlab(71.99, -54.91, 64.38)
CIE-LCHlch(71.99, 84.62, 130.46°)
OKLaboklab(74.04% -0.1526 0.1424)
OKLCHoklch(74.04% 0.209 137)
XYZxyz(25.9512, 43.6508, 9.0650)
Luminance0.4365 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C728 #8C28C7
analogous
#B3C728 #63C728 #28C73D
triadic
#63C728 #2863C7 #C72863
tetradic
#63C728 #28B3C7 #8C28C7 #C73D28
square
#63C728 #28B3C7 #8C28C7 #C73D28
split-complementary
#63C728 #3D28C7 #C728B3
monochromatic
#306114 #4A941E #63C728 #84DC50 #A8E683

Accessibility & contrast

On white

2.16
#63C728 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.73
#63C728 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C728
9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C728#FFFFFF#000000##000000
##63C7281.002.169.739.73
#FFFFFF2.161.0021.0021.00
#0000009.7321.001.001.00
##0000009.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CEB600
Deuteranopia (green-blind)
#C1AD3B
Tritanopia (blue-blind)
#5DC0AA
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #63c728;
/* rgb */ color: rgb(99, 199, 40);
/* oklch */ color: oklch(74.0% 0.209 137.0);
Tailwind
colors: {
  custom: {
    50: '#99d970',
    500: '#63c728',
    950: '#000000',
  },
}
SCSS
$custom: #63c728;
$custom-light: #99d970;
$custom-dark: #000000;
JSON
{
  "hex": "#63c728",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 40
  },
  "hsl": {
    "h": 97.736,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.74037,
    "c": 0.20876,
    "h": 137
  },
  "luminance": 0.43653
}

Semantic roles & 50–950 ramp

primary
#63C728
secondary
#B07CCF
accent
#3EE9AA
background
#FAFDF7
surface
#F3FAED
border
#CDD3C8
text
#0F1508
muted
#7F837B

Preview Lab

Preview with #63C728

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

Preview Lab → · Contrast checker → · Palette generator →

#63C728 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva