#63C233#63C233

#63C233 is a light, vivid yellow-green. Relative luminance 0.415; OKLCH L 72.8% C 0.197 H 137.3°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#63C233
RGB	rgb(99, 194, 51)
HSL	hsl(100, 58%, 48%)
HSV	hsv(100, 74%, 76%)
CMYK	cmyk(49%, 0%, 73.7%, 23.9%)
CIE-LAB	lab(70.51, -52.37, 59.47)
CIE-LCH	lch(70.51, 79.24, 131.37°)
OKLab	oklab(72.83% -0.1451 0.1337)
OKLCH	oklch(72.83% 0.197 137.3)
XYZ	xyz(25.0341, 41.4735, 9.8174)
Luminance	0.4148 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C233 #9233C2

analogous

#AAC233 #63C233 #33C24A

triadic

#63C233 #3363C2 #C23363

tetradic

#63C233 #33AAC2 #9233C2 #C24A33

square

#63C233 #33AAC2 #9233C2 #C24A33

split-complementary

#63C233 #4A33C2 #C233AA

monochromatic

#32611A #4A9226 #63C233 #86D55E #AAE18E

Accessibility & contrast

On white

2.26

#63C233 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#63C233 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C233

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C233	#FFFFFF	#000000	##000000
##63C233	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B117

Deuteranopia (green-blind)

#BCA942

Tritanopia (blue-blind)

#5DBBA6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63c233;
/* rgb */ color: rgb(99, 194, 51);
/* oklch */ color: oklch(72.8% 0.197 137.3);

Tailwind

colors: {
  custom: {
    50: '#98d574',
    500: '#63c233',
    950: '#000000',
  },
}

SCSS

$custom: #63c233;
$custom-light: #98d574;
$custom-dark: #000000;

JSON

{
  "hex": "#63c233",
  "rgb": {
    "r": 99,
    "g": 194,
    "b": 51
  },
  "hsl": {
    "h": 99.86,
    "s": 58.367,
    "l": 48.039
  },
  "oklch": {
    "l": 0.72831,
    "c": 0.19733,
    "h": 137.3
  },
  "luminance": 0.41475
}

Semantic roles & 50–950 ramp

primary

#63C233

secondary

#B485CC

accent

#46E2AD

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #63C233

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

Preview Lab → · Contrast checker → · Palette generator →