#63B238#63B238

#63B238 is a light, vivid yellow-green. Relative luminance 0.348; OKLCH L 68.8% C 0.174 H 136.6°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#63B238
RGB	rgb(99, 178, 56)
HSL	hsl(99, 52%, 46%)
HSV	hsv(99, 69%, 70%)
CMYK	cmyk(44.4%, 0%, 68.5%, 30.2%)
CIE-LAB	lab(65.58, -45.65, 52.55)
CIE-LCH	lch(65.58, 69.61, 130.98°)
OKLab	oklab(68.79% -0.1266 0.1199)
OKLCH	oklch(68.79% 0.174 136.6)
XYZ	xyz(21.7792, 34.7776, 9.3058)
Luminance	0.3478 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B238 #8738B2

analogous

#A0B238 #63B238 #38B24A

triadic

#63B238 #3863B2 #B23863

tetradic

#63B238 #38A0B2 #8738B2 #B24A38

square

#63B238 #38A0B2 #8738B2 #B24A38

split-complementary

#63B238 #4A38B2 #B238A0

monochromatic

#2F551B #498329 #63B238 #83CC5C #A6DA8A

Accessibility & contrast

On white

2.64

#63B238 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#63B238 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B238

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B238	#FFFFFF	#000000	##000000
##63B238	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A326

Deuteranopia (green-blind)

#AD9D43

Tritanopia (blue-blind)

#5FAC99

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63b238;
/* rgb */ color: rgb(99, 178, 56);
/* oklch */ color: oklch(68.8% 0.174 136.6);

Tailwind

colors: {
  custom: {
    50: '#96c975',
    500: '#63b238',
    950: '#000000',
  },
}

SCSS

$custom: #63b238;
$custom-light: #96c975;
$custom-dark: #000000;

JSON

{
  "hex": "#63b238",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 56
  },
  "hsl": {
    "h": 98.852,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.68793,
    "c": 0.17439,
    "h": 136.6
  },
  "luminance": 0.34779
}

Semantic roles & 50–950 ramp

primary

#63B238

secondary

#AD81C5

accent

#4CDCA9

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B238

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

Preview Lab → · Contrast checker → · Palette generator →