#63A428#63A428

#63A428 is a light, vivid yellow-green. Relative luminance 0.294; OKLCH L 65.1% C 0.167 H 133.6°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#63A428
RGB	rgb(99, 164, 40)
HSL	hsl(91, 61%, 40%)
HSV	hsv(91, 76%, 64%)
CMYK	cmyk(39.6%, 0%, 75.6%, 35.7%)
CIE-LAB	lab(61.09, -40.96, 54.03)
CIE-LCH	lch(61.09, 67.80, 127.17°)
OKLab	oklab(65.09% -0.1151 0.1207)
OKLCH	oklch(65.09% 0.167 133.6)
XYZ	xyz(18.8037, 29.3559, 6.6825)
Luminance	0.2936 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A428 #6928A4

analogous

#A1A428 #63A428 #28A42B

triadic

#63A428 #2863A4 #A42863

tetradic

#63A428 #28A1A4 #6928A4 #A42B28

square

#63A428 #28A1A4 #6928A4 #A42B28

split-complementary

#63A428 #2B28A4 #A428A1

monochromatic

#284210 #45731C #63A428 #81CF3A #A0DB6B

Accessibility & contrast

On white

3.06

#63A428 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.87

#63A428 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63A428

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A428	#FFFFFF	#000000	##000000
##63A428	1.00	3.06	6.87	6.87
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.87	21.00	1.00	1.00
##000000	6.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB970D

Deuteranopia (green-blind)

#A29235

Tritanopia (blue-blind)

#639D8C

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #63a428;
/* rgb */ color: rgb(99, 164, 40);
/* oklch */ color: oklch(65.1% 0.167 133.6);

Tailwind

colors: {
  custom: {
    50: '#95bf6b',
    500: '#63a428',
    950: '#000000',
  },
}

SCSS

$custom: #63a428;
$custom-light: #95bf6b;
$custom-dark: #000000;

JSON

{
  "hex": "#63a428",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 40
  },
  "hsl": {
    "h": 91.452,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.65088,
    "c": 0.16679,
    "h": 133.6
  },
  "luminance": 0.29357
}

Semantic roles & 50–950 ramp

primary

#63A428

secondary

#9666C1

accent

#44E498

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A428

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

Preview Lab → · Contrast checker → · Palette generator →