#63C133#63C133

#63C133 is a light, vivid yellow-green. Relative luminance 0.410; OKLCH L 72.6% C 0.196 H 137.3°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#63C133
RGB	rgb(99, 193, 51)
HSL	hsl(100, 58%, 48%)
HSV	hsv(100, 74%, 76%)
CMYK	cmyk(48.7%, 0%, 73.6%, 24.3%)
CIE-LAB	lab(70.20, -51.98, 59.16)
CIE-LCH	lch(70.20, 78.75, 131.31°)
OKLab	oklab(72.58% -0.1441 0.1331)
OKLCH	oklch(72.58% 0.196 137.3)
XYZ	xyz(24.8123, 41.0299, 9.7434)
Luminance	0.4103 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C133 #9133C1

analogous

#AAC133 #63C133 #33C14A

triadic

#63C133 #3363C1 #C13363

tetradic

#63C133 #33AAC1 #9133C1 #C14A33

square

#63C133 #33AAC1 #9133C1 #C14A33

split-complementary

#63C133 #4A33C1 #C133AA

monochromatic

#316019 #4A9126 #63C133 #85D45D #AAE18D

Accessibility & contrast

On white

2.28

#63C133 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#63C133 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C133

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C133	#FFFFFF	#000000	##000000
##63C133	1.00	2.28	9.21	9.21
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.21	21.00	1.00	1.00
##000000	9.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B017

Deuteranopia (green-blind)

#BBA941

Tritanopia (blue-blind)

#5DBAA6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63c133;
/* rgb */ color: rgb(99, 193, 51);
/* oklch */ color: oklch(72.6% 0.196 137.3);

Tailwind

colors: {
  custom: {
    50: '#98d474',
    500: '#63c133',
    950: '#000000',
  },
}

SCSS

$custom: #63c133;
$custom-light: #98d474;
$custom-dark: #000000;

JSON

{
  "hex": "#63c133",
  "rgb": {
    "r": 99,
    "g": 193,
    "b": 51
  },
  "hsl": {
    "h": 99.718,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.72577,
    "c": 0.19613,
    "h": 137.3
  },
  "luminance": 0.41032
}

Semantic roles & 50–950 ramp

primary

#63C133

secondary

#B384CB

accent

#46E1AD

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #63C133

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

Preview Lab → · Contrast checker → · Palette generator →