#63B428#63B428

#63B428 is a light, vivid yellow-green. Relative luminance 0.354; OKLCH L 69.2% C 0.186 H 135.4°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#63B428
RGBrgb(99, 180, 40)
HSLhsl(95, 64%, 43%)
HSVhsv(95, 78%, 71%)
CMYKcmyk(45%, 0%, 77.8%, 29.4%)
CIE-LABlab(66.10, -47.57, 58.85)
CIE-LCHlch(66.10, 75.67, 128.95°)
OKLaboklab(69.19% -0.1329 0.1308)
OKLCHoklch(69.19% 0.186 135.4)
XYZxyz(21.8493, 35.4470, 7.6977)
Luminance0.3545 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B428 #7928B4
analogous
#A9B428 #63B428 #28B433
triadic
#63B428 #2863B4 #B42863
tetradic
#63B428 #28A9B4 #7928B4 #B43328
square
#63B428 #28A9B4 #7928B4 #B43328
split-complementary
#63B428 #3328B4 #B428A9
monochromatic
#2C5012 #47821D #63B428 #81D544 #A3E176

Accessibility & contrast

On white

2.60
#63B428 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.09
#63B428 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B428
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B428#FFFFFF#000000##000000
##63B4281.002.608.098.09
#FFFFFF2.601.0021.0021.00
#0000008.0921.001.001.00
##0000008.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBA500
Deuteranopia (green-blind)
#B09E37
Tritanopia (blue-blind)
#60AD9A
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #63b428;
/* rgb */ color: rgb(99, 180, 40);
/* oklch */ color: oklch(69.2% 0.186 135.4);
Tailwind
colors: {
  custom: {
    50: '#97cb6d',
    500: '#63b428',
    950: '#000000',
  },
}
SCSS
$custom: #63b428;
$custom-light: #97cb6d;
$custom-dark: #000000;
JSON
{
  "hex": "#63b428",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 40
  },
  "hsl": {
    "h": 94.714,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.69187,
    "c": 0.18648,
    "h": 135.4
  },
  "luminance": 0.35448
}

Semantic roles & 50–950 ramp

primary
#63B428
secondary
#A370C8
accent
#41E7A1
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #63B428

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

Preview Lab → · Contrast checker → · Palette generator →

#63B428 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva