#63CA26#63CA26

#63CA26 is a light, highly saturated yellow-green. Relative luminance 0.450; OKLCH L 74.8% C 0.213 H 137.1°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#63CA26
RGB	rgb(99, 202, 38)
HSL	hsl(98, 68%, 47%)
HSV	hsv(98, 81%, 79%)
CMYK	cmyk(51%, 0%, 81.2%, 20.8%)
CIE-LAB	lab(72.91, -56.13, 65.78)
CIE-LCH	lch(72.91, 86.47, 130.47°)
OKLab	oklab(74.79% -0.156 0.1451)
OKLCH	oklch(74.79% 0.213 137.1)
XYZ	xyz(26.6151, 45.0317, 9.1229)
Luminance	0.4503 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CA26 #8D26CA

analogous

#B5CA26 #63CA26 #26CA3B

triadic

#63CA26 #2663CA #CA2663

tetradic

#63CA26 #26B5CA #8D26CA #CA3B26

square

#63CA26 #26B5CA #8D26CA #CA3B26

split-complementary

#63CA26 #3B26CA #CA26B5

monochromatic

#316313 #4A961C #63CA26 #84DE4F #A8E883

Accessibility & contrast

On white

2.10

#63CA26 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#63CA26 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CA26

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CA26	#FFFFFF	#000000	##000000
##63CA26	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B800

Deuteranopia (green-blind)

#C4B03A

Tritanopia (blue-blind)

#5CC3AC

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63ca26;
/* rgb */ color: rgb(99, 202, 38);
/* oklch */ color: oklch(74.8% 0.213 137.1);

Tailwind

colors: {
  custom: {
    50: '#99db6f',
    500: '#63ca26',
    950: '#000000',
  },
}

SCSS

$custom: #63ca26;
$custom-light: #99db6f;
$custom-dark: #000000;

JSON

{
  "hex": "#63ca26",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 38
  },
  "hsl": {
    "h": 97.683,
    "s": 68.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.74791,
    "c": 0.21302,
    "h": 137.1
  },
  "luminance": 0.45034
}

Semantic roles & 50–950 ramp

primary

#63CA26

secondary

#B17BD1

accent

#3DEBAA

background

#FAFDF7

surface

#F3FBED

border

#CDD4C8

text

#0F1508

muted

#7F837B

Preview Lab

Preview with #63CA26

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

Preview Lab → · Contrast checker → · Palette generator →