#63B138#63B138

#63B138 is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 68.5% C 0.173 H 136.5°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#63B138
RGB	rgb(99, 177, 56)
HSL	hsl(99, 52%, 46%)
HSV	hsv(99, 68%, 69%)
CMYK	cmyk(44.1%, 0%, 68.4%, 30.6%)
CIE-LAB	lab(65.26, -45.24, 52.22)
CIE-LCH	lch(65.26, 69.09, 130.90°)
OKLab	oklab(68.54% -0.1255 0.1192)
OKLCH	oklch(68.54% 0.173 136.5)
XYZ	xyz(21.5809, 34.3812, 9.2397)
Luminance	0.3438 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B138 #8638B1

analogous

#9FB138 #63B138 #38B14A

triadic

#63B138 #3863B1 #B13863

tetradic

#63B138 #389FB1 #8638B1 #B14A38

square

#63B138 #389FB1 #8638B1 #B14A38

split-complementary

#63B138 #4A38B1 #B1389F

monochromatic

#2F541B #498329 #63B138 #83CB5B #A6DA8A

Accessibility & contrast

On white

2.67

#63B138 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#63B138 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B138

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B138	#FFFFFF	#000000	##000000
##63B138	1.00	2.67	7.88	7.88
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A327

Deuteranopia (green-blind)

#AC9C43

Tritanopia (blue-blind)

#60AB99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63b138;
/* rgb */ color: rgb(99, 177, 56);
/* oklch */ color: oklch(68.5% 0.173 136.5);

Tailwind

colors: {
  custom: {
    50: '#96c975',
    500: '#63b138',
    950: '#000000',
  },
}

SCSS

$custom: #63b138;
$custom-light: #96c975;
$custom-dark: #000000;

JSON

{
  "hex": "#63b138",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 56
  },
  "hsl": {
    "h": 98.678,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.68538,
    "c": 0.17311,
    "h": 136.5
  },
  "luminance": 0.34382
}

Semantic roles & 50–950 ramp

primary

#63B138

secondary

#AC81C4

accent

#4CDBA9

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B138

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

Preview Lab → · Contrast checker → · Palette generator →