#63B133#63B133

#63B133 is a light, vivid yellow-green. Relative luminance 0.343; OKLCH L 68.5% C 0.176 H 136.0°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#63B133
RGB	rgb(99, 177, 51)
HSL	hsl(97, 55%, 45%)
HSV	hsv(97, 71%, 69%)
CMYK	cmyk(44.1%, 0%, 71.2%, 30.6%)
CIE-LAB	lab(65.23, -45.63, 54.14)
CIE-LCH	lch(65.23, 70.81, 130.12°)
OKLab	oklab(68.5% -0.1269 0.1226)
OKLCH	oklch(68.5% 0.176 136)
XYZ	xyz(21.4647, 34.3347, 8.6276)
Luminance	0.3434 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B133 #8133B1

analogous

#A2B133 #63B133 #33B142

triadic

#63B133 #3363B1 #B13363

tetradic

#63B133 #33A2B1 #8133B1 #B14233

square

#63B133 #33A2B1 #8133B1 #B14233

split-complementary

#63B133 #4233B1 #B133A2

monochromatic

#2E5218 #488125 #63B133 #82CE54 #A5DB83

Accessibility & contrast

On white

2.67

#63B133 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#63B133 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B133

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B133	#FFFFFF	#000000	##000000
##63B133	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A21E

Deuteranopia (green-blind)

#AD9C3F

Tritanopia (blue-blind)

#60AA98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63b133;
/* rgb */ color: rgb(99, 177, 51);
/* oklch */ color: oklch(68.5% 0.176 136.0);

Tailwind

colors: {
  custom: {
    50: '#96c972',
    500: '#63b133',
    950: '#000000',
  },
}

SCSS

$custom: #63b133;
$custom-light: #96c972;
$custom-dark: #000000;

JSON

{
  "hex": "#63b133",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 51
  },
  "hsl": {
    "h": 97.143,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.68496,
    "c": 0.17646,
    "h": 136
  },
  "luminance": 0.34336
}

Semantic roles & 50–950 ramp

primary

#63B133

secondary

#A97BC5

accent

#49DFA6

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B133

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

Preview Lab → · Contrast checker → · Palette generator →