#63AD2B#63AD2B

#63AD2B is a light, vivid yellow-green. Relative luminance 0.327; OKLCH L 67.4% C 0.176 H 134.9°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#63AD2B
RGB	rgb(99, 173, 43)
HSL	hsl(94, 60%, 42%)
HSV	hsv(94, 75%, 68%)
CMYK	cmyk(42.8%, 0%, 75.1%, 32.2%)
CIE-LAB	lab(63.93, -44.54, 55.76)
CIE-LCH	lch(63.93, 71.37, 128.62°)
OKLab	oklab(67.41% -0.1245 0.1248)
OKLCH	oklch(67.41% 0.176 134.9)
XYZ	xyz(20.5248, 32.7131, 7.5178)
Luminance	0.3271 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AD2B #752BAD

analogous

#A4AD2B #63AD2B #2BAD34

triadic

#63AD2B #2B63AD #AD2B63

tetradic

#63AD2B #2BA4AD #752BAD #AD342B

square

#63AD2B #2BA4AD #752BAD #AD342B

split-complementary

#63AD2B #342BAD #AD2BA4

monochromatic

#2B4B13 #477C1F #63AD2B #81D145 #A2DD76

Accessibility & contrast

On white

2.78

#63AD2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#63AD2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AD2B

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AD2B	#FFFFFF	#000000	##000000
##63AD2B	1.00	2.78	7.54	7.54
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F0F

Deuteranopia (green-blind)

#AA9938

Tritanopia (blue-blind)

#61A694

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #63ad2b;
/* rgb */ color: rgb(99, 173, 43);
/* oklch */ color: oklch(67.4% 0.176 134.9);

Tailwind

colors: {
  custom: {
    50: '#96c66e',
    500: '#63ad2b',
    950: '#000000',
  },
}

SCSS

$custom: #63ad2b;
$custom-light: #96c66e;
$custom-dark: #000000;

JSON

{
  "hex": "#63ad2b",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 43
  },
  "hsl": {
    "h": 94.154,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.67414,
    "c": 0.17631,
    "h": 134.9
  },
  "luminance": 0.32714
}

Semantic roles & 50–950 ramp

primary

#63AD2B

secondary

#A06FC4

accent

#44E39F

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63AD2B

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

Preview Lab → · Contrast checker → · Palette generator →