#63A01C#63A01C

#63A01C is a light, vivid yellow-green. Relative luminance 0.279; OKLCH L 64.0% C 0.168 H 132.3°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#63A01C
RGB	rgb(99, 160, 28)
HSL	hsl(88, 70%, 37%)
HSV	hsv(88, 83%, 63%)
CMYK	cmyk(38.1%, 0%, 82.5%, 37.3%)
CIE-LAB	lab(59.78, -39.89, 56.56)
CIE-LCH	lch(59.78, 69.22, 125.19°)
OKLab	oklab(63.99% -0.113 0.1242)
OKLCH	oklch(63.99% 0.168 132.3)
XYZ	xyz(17.9258, 27.8773, 5.5347)
Luminance	0.2788 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A01C #591CA0

analogous

#A09B1C #63A01C #21A01C

triadic

#63A01C #1C63A0 #A01C63

tetradic

#63A01C #1CA09B #591CA0 #A01C21

square

#63A01C #1CA09B #591CA0 #A01C21

split-complementary

#63A01C #1C21A0 #9B1CA0

monochromatic

#23380A #436C13 #63A01C #83D425 #A1E155

Accessibility & contrast

On white

3.19

#63A01C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#63A01C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63A01C

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A01C	#FFFFFF	#000000	##000000
##63A01C	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79300

Deuteranopia (green-blind)

#9F8E2C

Tritanopia (blue-blind)

#649988

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #63a01c;
/* rgb */ color: rgb(99, 160, 28);
/* oklch */ color: oklch(64.0% 0.168 132.3);

Tailwind

colors: {
  custom: {
    50: '#95bc65',
    500: '#63a01c',
    950: '#000000',
  },
}

SCSS

$custom: #63a01c;
$custom-light: #95bc65;
$custom-dark: #000000;

JSON

{
  "hex": "#63a01c",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 28
  },
  "hsl": {
    "h": 87.727,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.63991,
    "c": 0.16791,
    "h": 132.3
  },
  "luminance": 0.27878
}

Semantic roles & 50–950 ramp

primary

#63A01C

secondary

#8853C4

accent

#3BED8D

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #63A01C

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

Preview Lab → · Contrast checker → · Palette generator →