#63A63B#63A63B

#63A63B is a light, vivid yellow-green. Relative luminance 0.302; OKLCH L 65.8% C 0.156 H 135.7°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#63A63B
RGB	rgb(99, 166, 59)
HSL	hsl(98, 48%, 44%)
HSV	hsv(98, 64%, 65%)
CMYK	cmyk(40.4%, 0%, 64.5%, 34.9%)
CIE-LAB	lab(61.86, -40.35, 47.31)
CIE-LCH	lch(61.86, 62.18, 130.47°)
OKLab	oklab(65.76% -0.112 0.1092)
OKLCH	oklch(65.76% 0.156 135.7)
XYZ	xyz(19.5707, 30.2398, 8.9425)
Luminance	0.3024 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A63B #7E3BA6

analogous

#99A63B #63A63B #3BA649

triadic

#63A63B #3B63A6 #A63B63

tetradic

#63A63B #3B99A6 #7E3BA6 #A6493B

square

#63A63B #3B99A6 #7E3BA6 #A6493B

split-complementary

#63A63B #493BA6 #A63B99

monochromatic

#2D4C1B #48792B #63A63B #82C45A #A4D487

Accessibility & contrast

On white

2.98

#63A63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#63A63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A63B

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A63B	#FFFFFF	#000000	##000000
##63A63B	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC992E

Deuteranopia (green-blind)

#A39344

Tritanopia (blue-blind)

#61A090

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #63a63b;
/* rgb */ color: rgb(99, 166, 59);
/* oklch */ color: oklch(65.8% 0.156 135.7);

Tailwind

colors: {
  custom: {
    50: '#94c176',
    500: '#63a63b',
    950: '#000000',
  },
}

SCSS

$custom: #63a63b;
$custom-light: #94c176;
$custom-dark: #000000;

JSON

{
  "hex": "#63a63b",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 59
  },
  "hsl": {
    "h": 97.57,
    "s": 47.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.6576,
    "c": 0.15645,
    "h": 135.7
  },
  "luminance": 0.30241
}

Semantic roles & 50–950 ramp

primary

#63A63B

secondary

#A77EBF

accent

#51D7A5

background

#F9FBF7

surface

#F2F7ED

border

#CCD0C8

text

#0E1209

muted

#7E817B

Preview Lab

Preview with #63A63B

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

Preview Lab → · Contrast checker → · Palette generator →