#63AA1F#63AA1F

#63AA1F is a light, vivid yellow-green. Relative luminance 0.315; OKLCH L 66.6% C 0.179 H 133.8°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#63AA1F
RGB	rgb(99, 170, 31)
HSL	hsl(91, 69%, 39%)
HSV	hsv(91, 82%, 67%)
CMYK	cmyk(41.8%, 0%, 81.8%, 33.3%)
CIE-LAB	lab(62.93, -43.97, 58.59)
CIE-LCH	lch(62.93, 73.25, 126.89°)
OKLab	oklab(66.57% -0.1238 0.1289)
OKLCH	oklch(66.57% 0.179 133.8)
XYZ	xyz(19.7673, 31.5000, 6.3346)
Luminance	0.3150 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AA1F #661FAA

analogous

#A9AA1F #63AA1F #1FAA20

triadic

#63AA1F #1F63AA #AA1F63

tetradic

#63AA1F #1FA9AA #661FAA #AA201F

square

#63AA1F #1FA9AA #661FAA #AA201F

split-complementary

#63AA1F #201FAA #AA1FA9

monochromatic

#27420C #457616 #63AA1F #81D92D #A0E261

Accessibility & contrast

On white

2.88

#63AA1F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#63AA1F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AA1F

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AA1F	#FFFFFF	#000000	##000000
##63AA1F	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C00

Deuteranopia (green-blind)

#A79630

Tritanopia (blue-blind)

#62A391

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #63aa1f;
/* rgb */ color: rgb(99, 170, 31);
/* oklch */ color: oklch(66.6% 0.179 133.8);

Tailwind

colors: {
  custom: {
    50: '#96c468',
    500: '#63aa1f',
    950: '#000000',
  },
}

SCSS

$custom: #63aa1f;
$custom-light: #96c468;
$custom-dark: #000000;

JSON

{
  "hex": "#63aa1f",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 31
  },
  "hsl": {
    "h": 90.647,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.66574,
    "c": 0.17872,
    "h": 133.8
  },
  "luminance": 0.31501
}

Semantic roles & 50–950 ramp

primary

#63AA1F

secondary

#945EC7

accent

#3CEC96

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63AA1F

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

Preview Lab → · Contrast checker → · Palette generator →