#63A01F#63A01F

#63A01F is a light, vivid yellow-green. Relative luminance 0.279; OKLCH L 64.0% C 0.167 H 132.5°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#63A01F
RGB	rgb(99, 160, 31)
HSL	hsl(88, 68%, 37%)
HSV	hsv(88, 81%, 63%)
CMYK	cmyk(38.1%, 0%, 80.6%, 37.3%)
CIE-LAB	lab(59.79, -39.75, 55.71)
CIE-LCH	lch(59.79, 68.44, 125.51°)
OKLab	oklab(64.01% -0.1124 0.1229)
OKLCH	oklch(64.01% 0.167 132.5)
XYZ	xyz(17.9635, 27.8924, 5.7333)
Luminance	0.2789 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A01F #5C1FA0

analogous

#A09C1F #63A01F #23A01F

triadic

#63A01F #1F63A0 #A01F63

tetradic

#63A01F #1FA09C #5C1FA0 #A01F23

square

#63A01F #1FA09C #5C1FA0 #A01F23

split-complementary

#63A01F #1F23A0 #9C1FA0

monochromatic

#24390B #436D15 #63A01F #83D329 #A0DF5A

Accessibility & contrast

On white

3.19

#63A01F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#63A01F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63A01F

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A01F	#FFFFFF	#000000	##000000
##63A01F	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)

#9F8E2E

Tritanopia (blue-blind)

#649988

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #63a01f;
/* rgb */ color: rgb(99, 160, 31);
/* oklch */ color: oklch(64.0% 0.167 132.5);

Tailwind

colors: {
  custom: {
    50: '#95bc67',
    500: '#63a01f',
    950: '#000000',
  },
}

SCSS

$custom: #63a01f;
$custom-light: #95bc67;
$custom-dark: #000000;

JSON

{
  "hex": "#63a01f",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 31
  },
  "hsl": {
    "h": 88.372,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.64007,
    "c": 0.16655,
    "h": 132.5
  },
  "luminance": 0.27893
}

Semantic roles & 50–950 ramp

primary

#63A01F

secondary

#8A58C3

accent

#3DEA8F

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #63A01F

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

Preview Lab → · Contrast checker → · Palette generator →