#63B526#63B526

#63B526 is a light, vivid yellow-green. Relative luminance 0.358; OKLCH L 69.4% C 0.189 H 135.4°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#63B526
RGB	rgb(99, 181, 38)
HSL	hsl(94, 65%, 43%)
HSV	hsv(94, 79%, 71%)
CMYK	cmyk(45.3%, 0%, 79%, 29%)
CIE-LAB	lab(66.40, -48.08, 59.75)
CIE-LCH	lch(66.40, 76.69, 128.82°)
OKLab	oklab(69.43% -0.1344 0.1324)
OKLCH	oklch(69.43% 0.189 135.4)
XYZ	xyz(22.0188, 35.8390, 7.5907)
Luminance	0.3584 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B526 #7826B5

analogous

#AAB526 #63B526 #26B531

triadic

#63B526 #2663B5 #B52663

tetradic

#63B526 #26AAB5 #7826B5 #B53126

square

#63B526 #26AAB5 #7826B5 #B53126

split-complementary

#63B526 #3126B5 #B526AA

monochromatic

#2C5011 #47821B #63B526 #81D741 #A3E274

Accessibility & contrast

On white

2.57

#63B526 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#63B526 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B526

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B526	#FFFFFF	#000000	##000000
##63B526	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA600

Deuteranopia (green-blind)

#B19F36

Tritanopia (blue-blind)

#60AE9B

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63b526;
/* rgb */ color: rgb(99, 181, 38);
/* oklch */ color: oklch(69.4% 0.189 135.4);

Tailwind

colors: {
  custom: {
    50: '#97cc6c',
    500: '#63b526',
    950: '#000000',
  },
}

SCSS

$custom: #63b526;
$custom-light: #97cc6c;
$custom-dark: #000000;

JSON

{
  "hex": "#63b526",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 38
  },
  "hsl": {
    "h": 94.406,
    "s": 65.297,
    "l": 42.941
  },
  "oklch": {
    "l": 0.69431,
    "c": 0.18866,
    "h": 135.4
  },
  "luminance": 0.3584
}

Semantic roles & 50–950 ramp

primary

#63B526

secondary

#A26EC9

accent

#40E8A0

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B526

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

Preview Lab → · Contrast checker → · Palette generator →