#63A328#63A328

#63A328 is a light, vivid yellow-green. Relative luminance 0.290; OKLCH L 64.8% C 0.166 H 133.5°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#63A328
RGB	rgb(99, 163, 40)
HSL	hsl(91, 61%, 40%)
HSV	hsv(91, 75%, 64%)
CMYK	cmyk(39.3%, 0%, 75.5%, 36.1%)
CIE-LAB	lab(60.78, -40.53, 53.73)
CIE-LCH	lch(60.78, 67.30, 127.03°)
OKLab	oklab(64.83% -0.1139 0.1201)
OKLCH	oklch(64.83% 0.166 133.5)
XYZ	xyz(18.6255, 28.9993, 6.6231)
Luminance	0.2900 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A328 #6828A3

analogous

#A0A328 #63A328 #28A32B

triadic

#63A328 #2863A3 #A32863

tetradic

#63A328 #28A0A3 #6828A3 #A32B28

square

#63A328 #28A0A3 #6828A3 #A32B28

split-complementary

#63A328 #2B28A3 #A328A0

monochromatic

#274110 #45721C #63A328 #81CF3A #A0DB6B

Accessibility & contrast

On white

3.09

#63A328 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#63A328 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63A328

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A328	#FFFFFF	#000000	##000000
##63A328	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA960E

Deuteranopia (green-blind)

#A19134

Tritanopia (blue-blind)

#639C8C

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #63a328;
/* rgb */ color: rgb(99, 163, 40);
/* oklch */ color: oklch(64.8% 0.166 133.5);

Tailwind

colors: {
  custom: {
    50: '#95bf6b',
    500: '#63a328',
    950: '#000000',
  },
}

SCSS

$custom: #63a328;
$custom-light: #95bf6b;
$custom-dark: #000000;

JSON

{
  "hex": "#63a328",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 40
  },
  "hsl": {
    "h": 91.22,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.64832,
    "c": 0.16553,
    "h": 133.5
  },
  "luminance": 0.29
}

Semantic roles & 50–950 ramp

primary

#63A328

secondary

#9566C1

accent

#44E497

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A328

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

Preview Lab → · Contrast checker → · Palette generator →