#63B229#63B229

#63B229 is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 68.7% C 0.184 H 135.3°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#63B229
RGB	rgb(99, 178, 41)
HSL	hsl(95, 63%, 43%)
HSV	hsv(95, 77%, 70%)
CMYK	cmyk(44.4%, 0%, 77%, 30.2%)
CIE-LAB	lab(65.48, -46.70, 57.93)
CIE-LCH	lch(65.48, 74.41, 128.88°)
OKLab	oklab(68.68% -0.1305 0.1291)
OKLCH	oklch(68.68% 0.184 135.3)
XYZ	xyz(21.4657, 34.6523, 7.6549)
Luminance	0.3465 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B229 #7829B2

analogous

#A7B229 #63B229 #29B234

triadic

#63B229 #2963B2 #B22963

tetradic

#63B229 #29A7B2 #7829B2 #B23429

square

#63B229 #29A7B2 #7829B2 #B23429

split-complementary

#63B229 #3429B2 #B229A7

monochromatic

#2C4F12 #47801E #63B229 #81D444 #A3DF76

Accessibility & contrast

On white

2.65

#63B229 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#63B229 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B229

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B229	#FFFFFF	#000000	##000000
##63B229	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A305

Deuteranopia (green-blind)

#AE9D38

Tritanopia (blue-blind)

#61AB98

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63b229;
/* rgb */ color: rgb(99, 178, 41);
/* oklch */ color: oklch(68.7% 0.184 135.3);

Tailwind

colors: {
  custom: {
    50: '#96c96d',
    500: '#63b229',
    950: '#000000',
  },
}

SCSS

$custom: #63b229;
$custom-light: #96c96d;
$custom-dark: #000000;

JSON

{
  "hex": "#63b229",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 41
  },
  "hsl": {
    "h": 94.599,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.68681,
    "c": 0.18355,
    "h": 135.3
  },
  "luminance": 0.34654
}

Semantic roles & 50–950 ramp

primary

#63B229

secondary

#A270C7

accent

#42E6A0

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B229

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

Preview Lab → · Contrast checker → · Palette generator →