#63CA51#63CA51

#63CA51 is a light, vivid green. Relative luminance 0.455; OKLCH L 75.1% C 0.186 H 140.8°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#63CA51
RGB	rgb(99, 202, 81)
HSL	hsl(111, 53%, 55%)
HSV	hsv(111, 60%, 79%)
CMYK	cmyk(51%, 0%, 59.9%, 20.8%)
CIE-LAB	lab(73.21, -52.83, 50.29)
CIE-LCH	lch(73.21, 72.94, 136.41°)
OKLab	oklab(75.13% -0.1445 0.1179)
OKLCH	oklch(75.13% 0.186 140.8)
XYZ	xyz(27.7501, 45.4857, 15.1003)
Luminance	0.4549 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CA51 #B851CA

analogous

#A0CA51 #63CA51 #51CA7B

triadic

#63CA51 #5163CA #CA5163

tetradic

#63CA51 #51A0CA #B851CA #CA7B51

square

#63CA51 #51A0CA #B851CA #CA7B51

split-complementary

#63CA51 #7B51CA #CA51A0

monochromatic

#327B25 #45AA34 #63CA51 #8DD880 #B7E7AF

Accessibility & contrast

On white

2.08

#63CA51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#63CA51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CA51

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CA51	#FFFFFF	#000000	##000000
##63CA51	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB944

Deuteranopia (green-blind)

#C1B05B

Tritanopia (blue-blind)

#58C4B0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63ca51;
/* rgb */ color: rgb(99, 202, 81);
/* oklch */ color: oklch(75.1% 0.186 140.8);

Tailwind

colors: {
  custom: {
    50: '#98db86',
    500: '#63ca51',
    950: '#000000',
  },
}

SCSS

$custom: #63ca51;
$custom-light: #98db86;
$custom-dark: #000000;

JSON

{
  "hex": "#63ca51",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 81
  },
  "hsl": {
    "h": 111.074,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75131,
    "c": 0.18648,
    "h": 140.8
  },
  "luminance": 0.45488
}

Semantic roles & 50–950 ramp

primary

#63CA51

secondary

#CDA2D5

accent

#4BDDC7

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #63CA51

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

Preview Lab → · Contrast checker → · Palette generator →