#63A421#63A421

#63A421 is a light, vivid yellow-green. Relative luminance 0.293; OKLCH L 65.0% C 0.171 H 133.2°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#63A421
RGB	rgb(99, 164, 33)
HSL	hsl(90, 66%, 39%)
HSV	hsv(90, 80%, 64%)
CMYK	cmyk(39.6%, 0%, 79.9%, 35.7%)
CIE-LAB	lab(61.06, -41.36, 56.28)
CIE-LCH	lch(61.06, 69.84, 126.31°)
OKLab	oklab(65.05% -0.1166 0.1244)
OKLCH	oklch(65.05% 0.171 133.2)
XYZ	xyz(18.6953, 29.3125, 6.1114)
Luminance	0.2931 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A421 #6221A4

analogous

#A4A321 #63A421 #22A421

triadic

#63A421 #2163A4 #A42163

tetradic

#63A421 #21A4A3 #6221A4 #A42122

square

#63A421 #21A4A3 #6221A4 #A42122

split-complementary

#63A421 #2122A4 #A321A4

monochromatic

#253E0C #447117 #63A421 #82D52D #A0DF60

Accessibility & contrast

On white

3.06

#63A421 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#63A421 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63A421

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A421	#FFFFFF	#000000	##000000
##63A421	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9700

Deuteranopia (green-blind)

#A29230

Tritanopia (blue-blind)

#639D8C

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #63a421;
/* rgb */ color: rgb(99, 164, 33);
/* oklch */ color: oklch(65.0% 0.171 133.2);

Tailwind

colors: {
  custom: {
    50: '#95bf68',
    500: '#63a421',
    950: '#000000',
  },
}

SCSS

$custom: #63a421;
$custom-light: #95bf68;
$custom-dark: #000000;

JSON

{
  "hex": "#63a421",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 33
  },
  "hsl": {
    "h": 89.771,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.65045,
    "c": 0.1705,
    "h": 133.2
  },
  "luminance": 0.29313
}

Semantic roles & 50–950 ramp

primary

#63A421

secondary

#905DC4

accent

#3EE993

background

#F9FBF6

surface

#F2F7EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A421

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

Preview Lab → · Contrast checker → · Palette generator →