#63A91C#63A91C

#63A91C is a light, vivid yellow-green. Relative luminance 0.311; OKLCH L 66.3% C 0.179 H 133.6°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#63A91C
RGB	rgb(99, 169, 28)
HSL	hsl(90, 72%, 39%)
HSV	hsv(90, 83%, 66%)
CMYK	cmyk(41.4%, 0%, 83.4%, 33.7%)
CIE-LAB	lab(62.60, -43.69, 59.10)
CIE-LCH	lch(62.60, 73.50, 126.47°)
OKLab	oklab(66.3% -0.1232 0.1296)
OKLCH	oklch(66.3% 0.179 133.6)
XYZ	xyz(19.5428, 31.1114, 6.0738)
Luminance	0.3111 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A91C #621CA9

analogous

#A9A81C #63A91C #1CA91C

triadic

#63A91C #1C63A9 #A91C63

tetradic

#63A91C #1CA9A8 #621CA9 #A91C1C

square

#63A91C #1CA9A8 #621CA9 #A91C1C

split-complementary

#63A91C #1C1CA9 #A81CA9

monochromatic

#25400B #447413 #63A91C #82DB27 #A0E45B

Accessibility & contrast

On white

2.91

#63A91C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#63A91C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A91C

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A91C	#FFFFFF	#000000	##000000
##63A91C	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A7952E

Tritanopia (blue-blind)

#63A290

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #63a91c;
/* rgb */ color: rgb(99, 169, 28);
/* oklch */ color: oklch(66.3% 0.179 133.6);

Tailwind

colors: {
  custom: {
    50: '#96c367',
    500: '#63a91c',
    950: '#000000',
  },
}

SCSS

$custom: #63a91c;
$custom-light: #96c367;
$custom-dark: #000000;

JSON

{
  "hex": "#63a91c",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 28
  },
  "hsl": {
    "h": 89.787,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.66303,
    "c": 0.17878,
    "h": 133.6
  },
  "luminance": 0.31112
}

Semantic roles & 50–950 ramp

primary

#63A91C

secondary

#9059C8

accent

#39EE93

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A91C

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

Preview Lab → · Contrast checker → · Palette generator →