#63B319#63B319

#63B319 is a light, vivid yellow-green. Relative luminance 0.350; OKLCH L 68.9% C 0.192 H 134.6°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#63B319
RGB	rgb(99, 179, 25)
HSL	hsl(91, 75%, 40%)
HSV	hsv(91, 86%, 70%)
CMYK	cmyk(44.7%, 0%, 86%, 29.8%)
CIE-LAB	lab(65.72, -47.87, 62.58)
CIE-LCH	lch(65.72, 78.78, 127.41°)
OKLab	oklab(68.86% -0.1345 0.1365)
OKLCH	oklch(68.86% 0.192 134.6)
XYZ	xyz(21.4407, 34.9618, 6.5380)
Luminance	0.3496 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B319 #6919B3

analogous

#B0B319 #63B319 #19B31C

triadic

#63B319 #1963B3 #B31963

tetradic

#63B319 #19B0B3 #6919B3 #B31C19

square

#63B319 #19B0B3 #6919B3 #B31C19

split-complementary

#63B319 #1C19B3 #B319B0

monochromatic

#28480A #457D12 #63B319 #81E128 #A0E85E

Accessibility & contrast

On white

2.63

#63B319 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.99

#63B319 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B319

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B319	#FFFFFF	#000000	##000000
##63B319	1.00	2.63	7.99	7.99
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.99	21.00	1.00	1.00
##000000	7.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#B09D2E

Tritanopia (blue-blind)

#61AC98

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b319;
/* rgb */ color: rgb(99, 179, 25);
/* oklch */ color: oklch(68.9% 0.192 134.6);

Tailwind

colors: {
  custom: {
    50: '#97ca67',
    500: '#63b319',
    950: '#000000',
  },
}

SCSS

$custom: #63b319;
$custom-light: #97ca67;
$custom-dark: #000000;

JSON

{
  "hex": "#63b319",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 25
  },
  "hsl": {
    "h": 91.169,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.68857,
    "c": 0.19164,
    "h": 134.6
  },
  "luminance": 0.34963
}

Semantic roles & 50–950 ramp

primary

#63B319

secondary

#965BCC

accent

#36F298

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #63B319

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

Preview Lab → · Contrast checker → · Palette generator →