#63AA33#63AA33

#63AA33 is a light, vivid yellow-green. Relative luminance 0.316; OKLCH L 66.7% C 0.168 H 135.3°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#63AA33
RGB	rgb(99, 170, 51)
HSL	hsl(96, 54%, 43%)
HSV	hsv(96, 70%, 67%)
CMYK	cmyk(41.8%, 0%, 70%, 33.3%)
CIE-LAB	lab(63.04, -42.73, 51.90)
CIE-LCH	lch(63.04, 67.23, 129.47°)
OKLab	oklab(66.71% -0.1191 0.1179)
OKLCH	oklch(66.71% 0.168 135.3)
XYZ	xyz(20.1174, 31.6400, 8.1784)
Luminance	0.3164 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AA33 #7A33AA

analogous

#9EAA33 #63AA33 #33AA3E

triadic

#63AA33 #3363AA #AA3363

tetradic

#63AA33 #339EAA #7A33AA #AA3E33

square

#63AA33 #339EAA #7A33AA #AA3E33

split-complementary

#63AA33 #3E33AA #AA339E

monochromatic

#2C4C17 #487B25 #63AA33 #81CA50 #A3D97F

Accessibility & contrast

On white

2.87

#63AA33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#63AA33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AA33

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AA33	#FFFFFF	#000000	##000000
##63AA33	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C21

Deuteranopia (green-blind)

#A7963E

Tritanopia (blue-blind)

#61A492

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #63aa33;
/* rgb */ color: rgb(99, 170, 51);
/* oklch */ color: oklch(66.7% 0.168 135.3);

Tailwind

colors: {
  custom: {
    50: '#95c472',
    500: '#63aa33',
    950: '#000000',
  },
}

SCSS

$custom: #63aa33;
$custom-light: #95c472;
$custom-dark: #000000;

JSON

{
  "hex": "#63aa33",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 51
  },
  "hsl": {
    "h": 95.798,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.66707,
    "c": 0.16754,
    "h": 135.3
  },
  "luminance": 0.31641
}

Semantic roles & 50–950 ramp

primary

#63AA33

secondary

#A477C2

accent

#4BDDA2

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #63AA33

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

Preview Lab → · Contrast checker → · Palette generator →