#63AC33#63AC33

#63AC33 is a light, vivid yellow-green. Relative luminance 0.324; OKLCH L 67.2% C 0.170 H 135.5°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#63AC33
RGB	rgb(99, 172, 51)
HSL	hsl(96, 54%, 44%)
HSV	hsv(96, 70%, 67%)
CMYK	cmyk(42.4%, 0%, 70.3%, 32.5%)
CIE-LAB	lab(63.67, -43.57, 52.54)
CIE-LCH	lch(63.67, 68.26, 129.67°)
OKLab	oklab(67.22% -0.1213 0.1192)
OKLCH	oklch(67.22% 0.17 135.5)
XYZ	xyz(20.4952, 32.3956, 8.3044)
Luminance	0.3240 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AC33 #7C33AC

analogous

#9FAC33 #63AC33 #33AC3F

triadic

#63AC33 #3363AC #AC3363

tetradic

#63AC33 #339FAC #7C33AC #AC3F33

square

#63AC33 #339FAC #7C33AC #AC3F33

split-complementary

#63AC33 #3F33AC #AC339F

monochromatic

#2D4E17 #487D25 #63AC33 #81CB51 #A3D980

Accessibility & contrast

On white

2.81

#63AC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#63AC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AC33

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AC33	#FFFFFF	#000000	##000000
##63AC33	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29E20

Deuteranopia (green-blind)

#A8983E

Tritanopia (blue-blind)

#61A694

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #63ac33;
/* rgb */ color: rgb(99, 172, 51);
/* oklch */ color: oklch(67.2% 0.170 135.5);

Tailwind

colors: {
  custom: {
    50: '#95c572',
    500: '#63ac33',
    950: '#000000',
  },
}

SCSS

$custom: #63ac33;
$custom-light: #95c572;
$custom-dark: #000000;

JSON

{
  "hex": "#63ac33",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 51
  },
  "hsl": {
    "h": 96.198,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.67218,
    "c": 0.17011,
    "h": 135.5
  },
  "luminance": 0.32397
}

Semantic roles & 50–950 ramp

primary

#63AC33

secondary

#A578C2

accent

#4ADEA3

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63AC33

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

Preview Lab → · Contrast checker → · Palette generator →