#63AB33#63AB33

#63AB33 is a light, vivid yellow-green. Relative luminance 0.320; OKLCH L 67.0% C 0.169 H 135.4°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#63AB33
RGB	rgb(99, 171, 51)
HSL	hsl(96, 54%, 44%)
HSV	hsv(96, 70%, 67%)
CMYK	cmyk(42.1%, 0%, 70.2%, 32.9%)
CIE-LAB	lab(63.36, -43.15, 52.22)
CIE-LCH	lch(63.36, 67.74, 129.57°)
OKLab	oklab(66.96% -0.1202 0.1186)
OKLCH	oklch(66.96% 0.169 135.4)
XYZ	xyz(20.3056, 32.0164, 8.2412)
Luminance	0.3202 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AB33 #7B33AB

analogous

#9FAB33 #63AB33 #33AB3F

triadic

#63AB33 #3363AB #AB3363

tetradic

#63AB33 #339FAB #7B33AB #AB3F33

square

#63AB33 #339FAB #7B33AB #AB3F33

split-complementary

#63AB33 #3F33AB #AB339F

monochromatic

#2C4D17 #487C25 #63AB33 #81CB50 #A3D97F

Accessibility & contrast

On white

2.84

#63AB33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#63AB33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AB33

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AB33	#FFFFFF	#000000	##000000
##63AB33	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19D20

Deuteranopia (green-blind)

#A7973E

Tritanopia (blue-blind)

#61A593

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #63ab33;
/* rgb */ color: rgb(99, 171, 51);
/* oklch */ color: oklch(67.0% 0.169 135.4);

Tailwind

colors: {
  custom: {
    50: '#95c472',
    500: '#63ab33',
    950: '#000000',
  },
}

SCSS

$custom: #63ab33;
$custom-light: #95c472;
$custom-dark: #000000;

JSON

{
  "hex": "#63ab33",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 51
  },
  "hsl": {
    "h": 96,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.66963,
    "c": 0.16883,
    "h": 135.4
  },
  "luminance": 0.32017
}

Semantic roles & 50–950 ramp

primary

#63AB33

secondary

#A478C2

accent

#4ADDA3

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63AB33

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

Preview Lab → · Contrast checker → · Palette generator →