#63BA33#63BA33

#63BA33 is a light, vivid yellow-green. Relative luminance 0.380; OKLCH L 70.8% C 0.188 H 136.8°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#63BA33
RGB	rgb(99, 186, 51)
HSL	hsl(99, 57%, 46%)
HSV	hsv(99, 73%, 73%)
CMYK	cmyk(46.8%, 0%, 72.6%, 27.1%)
CIE-LAB	lab(68.03, -49.25, 56.98)
CIE-LCH	lch(68.03, 75.32, 130.84°)
OKLab	oklab(70.79% -0.1367 0.1285)
OKLCH	oklch(70.79% 0.188 136.8)
XYZ	xyz(23.3014, 38.0080, 9.2398)
Luminance	0.3801 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BA33 #8A33BA

analogous

#A7BA33 #63BA33 #33BA47

triadic

#63BA33 #3363BA #BA3363

tetradic

#63BA33 #33A7BA #8A33BA #BA4733

square

#63BA33 #33A7BA #8A33BA #BA4733

split-complementary

#63BA33 #4733BA #BA33A7

monochromatic

#305A19 #498A26 #63BA33 #84D159 #A7DF89

Accessibility & contrast

On white

2.44

#63BA33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#63BA33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BA33

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BA33	#FFFFFF	#000000	##000000
##63BA33	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA1B

Deuteranopia (green-blind)

#B5A340

Tritanopia (blue-blind)

#5EB3A0

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63ba33;
/* rgb */ color: rgb(99, 186, 51);
/* oklch */ color: oklch(70.8% 0.188 136.8);

Tailwind

colors: {
  custom: {
    50: '#97cf73',
    500: '#63ba33',
    950: '#000000',
  },
}

SCSS

$custom: #63ba33;
$custom-light: #97cf73;
$custom-dark: #000000;

JSON

{
  "hex": "#63ba33",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 51
  },
  "hsl": {
    "h": 98.667,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.70793,
    "c": 0.18764,
    "h": 136.8
  },
  "luminance": 0.38009
}

Semantic roles & 50–950 ramp

primary

#63BA33

secondary

#AF80C9

accent

#48E0AA

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1409

muted

#7E827B

Preview Lab

Preview with #63BA33

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

Preview Lab → · Contrast checker → · Palette generator →