#63AF33#63AF33

#63AF33 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 68.0% C 0.174 H 135.8°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#63AF33
RGB	rgb(99, 175, 51)
HSL	hsl(97, 55%, 44%)
HSV	hsv(97, 71%, 69%)
CMYK	cmyk(43.4%, 0%, 70.9%, 31.4%)
CIE-LAB	lab(64.60, -44.81, 53.51)
CIE-LCH	lch(64.60, 69.79, 129.95°)
OKLab	oklab(67.99% -0.1247 0.1212)
OKLCH	oklch(67.99% 0.174 135.8)
XYZ	xyz(21.0726, 33.5504, 8.4968)
Luminance	0.3355 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AF33 #7F33AF

analogous

#A1AF33 #63AF33 #33AF41

triadic

#63AF33 #3363AF #AF3363

tetradic

#63AF33 #33A1AF #7F33AF #AF4133

square

#63AF33 #33A1AF #7F33AF #AF4133

split-complementary

#63AF33 #4133AF #AF33A1

monochromatic

#2D5017 #488025 #63AF33 #82CD52 #A4DB82

Accessibility & contrast

On white

2.72

#63AF33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#63AF33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AF33

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AF33	#FFFFFF	#000000	##000000
##63AF33	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A11F

Deuteranopia (green-blind)

#AB9A3F

Tritanopia (blue-blind)

#60A896

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #63af33;
/* rgb */ color: rgb(99, 175, 51);
/* oklch */ color: oklch(68.0% 0.174 135.8);

Tailwind

colors: {
  custom: {
    50: '#96c772',
    500: '#63af33',
    950: '#000000',
  },
}

SCSS

$custom: #63af33;
$custom-light: #96c772;
$custom-dark: #000000;

JSON

{
  "hex": "#63af33",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 51
  },
  "hsl": {
    "h": 96.774,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67985,
    "c": 0.17393,
    "h": 135.8
  },
  "luminance": 0.33552
}

Semantic roles & 50–950 ramp

primary

#63AF33

secondary

#A77AC4

accent

#4ADEA5

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63AF33

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

Preview Lab → · Contrast checker → · Palette generator →