#63A81F#63A81F

#63A81F is a light, vivid yellow-green. Relative luminance 0.308; OKLCH L 66.1% C 0.176 H 133.6°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#63A81F
RGB	rgb(99, 168, 31)
HSL	hsl(90, 69%, 39%)
HSV	hsv(90, 82%, 66%)
CMYK	cmyk(41.1%, 0%, 81.5%, 34.1%)
CIE-LAB	lab(62.30, -43.14, 58.01)
CIE-LCH	lch(62.30, 72.29, 126.63°)
OKLab	oklab(66.06% -0.1215 0.1277)
OKLCH	oklch(66.06% 0.176 133.6)
XYZ	xyz(19.3952, 30.7558, 6.2106)
Luminance	0.3076 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A81F #641FA8

analogous

#A8A81F #63A81F #1FA820

triadic

#63A81F #1F63A8 #A81F63

tetradic

#63A81F #1FA8A8 #641FA8 #A8201F

square

#63A81F #1FA8A8 #641FA8 #A8201F

split-complementary

#63A81F #201FA8 #A81FA8

monochromatic

#26410C #457415 #63A81F #81D82C #A0E260

Accessibility & contrast

On white

2.94

#63A81F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#63A81F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A81F

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A81F	#FFFFFF	#000000	##000000
##63A81F	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A00

Deuteranopia (green-blind)

#A6952F

Tritanopia (blue-blind)

#63A18F

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #63a81f;
/* rgb */ color: rgb(99, 168, 31);
/* oklch */ color: oklch(66.1% 0.176 133.6);

Tailwind

colors: {
  custom: {
    50: '#96c268',
    500: '#63a81f',
    950: '#000000',
  },
}

SCSS

$custom: #63a81f;
$custom-light: #96c268;
$custom-dark: #000000;

JSON

{
  "hex": "#63a81f",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 31
  },
  "hsl": {
    "h": 90.219,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.66061,
    "c": 0.1763,
    "h": 133.6
  },
  "luminance": 0.30757
}

Semantic roles & 50–950 ramp

primary

#63A81F

secondary

#925DC6

accent

#3CEC95

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A81F

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

Preview Lab → · Contrast checker → · Palette generator →