#63A523#63A523

#63A523 is a light, vivid yellow-green. Relative luminance 0.297; OKLCH L 65.3% C 0.171 H 133.4°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#63A523
RGB	rgb(99, 165, 35)
HSL	hsl(90, 65%, 39%)
HSV	hsv(90, 79%, 65%)
CMYK	cmyk(40%, 0%, 78.8%, 35.3%)
CIE-LAB	lab(61.38, -41.68, 55.96)
CIE-LCH	lch(61.38, 69.78, 126.67°)
OKLab	oklab(65.31% -0.1173 0.124)
OKLCH	oklch(65.31% 0.171 133.4)
XYZ	xyz(18.9038, 29.6833, 6.3232)
Luminance	0.2968 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A523 #6523A5

analogous

#A4A523 #63A523 #23A524

triadic

#63A523 #2363A5 #A52363

tetradic

#63A523 #23A4A5 #6523A5 #A52423

square

#63A523 #23A4A5 #6523A5 #A52423

split-complementary

#63A523 #2423A5 #A523A4

monochromatic

#26400E #457318 #63A523 #81D332 #A0DE64

Accessibility & contrast

On white

3.03

#63A523 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#63A523 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63A523

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A523	#FFFFFF	#000000	##000000
##63A523	1.00	3.03	6.94	6.94
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9800

Deuteranopia (green-blind)

#A39231

Tritanopia (blue-blind)

#639E8D

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #63a523;
/* rgb */ color: rgb(99, 165, 35);
/* oklch */ color: oklch(65.3% 0.171 133.4);

Tailwind

colors: {
  custom: {
    50: '#95c069',
    500: '#63a523',
    950: '#000000',
  },
}

SCSS

$custom: #63a523;
$custom-light: #95c069;
$custom-dark: #000000;

JSON

{
  "hex": "#63a523",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 35
  },
  "hsl": {
    "h": 90.462,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.65313,
    "c": 0.17075,
    "h": 133.4
  },
  "luminance": 0.29684
}

Semantic roles & 50–950 ramp

primary

#63A523

secondary

#9360C4

accent

#40E895

background

#F9FBF6

surface

#F2F7EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A523

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

Preview Lab → · Contrast checker → · Palette generator →