#63B227#63B227

#63B227 is a light, vivid yellow-green. Relative luminance 0.346; OKLCH L 68.7% C 0.185 H 135.2°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#63B227
RGB	rgb(99, 178, 39)
HSL	hsl(94, 64%, 43%)
HSV	hsv(94, 78%, 70%)
CMYK	cmyk(44.4%, 0%, 78.1%, 30.2%)
CIE-LAB	lab(65.47, -46.82, 58.56)
CIE-LCH	lch(65.47, 74.98, 128.64°)
OKLab	oklab(68.67% -0.1309 0.1301)
OKLCH	oklch(68.67% 0.185 135.2)
XYZ	xyz(21.4317, 34.6387, 7.4757)
Luminance	0.3464 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B227 #7627B2

analogous

#A8B227 #63B227 #27B231

triadic

#63B227 #2763B2 #B22763

tetradic

#63B227 #27A8B2 #7627B2 #B23127

square

#63B227 #27A8B2 #7627B2 #B23127

split-complementary

#63B227 #3127B2 #B227A8

monochromatic

#2B4E11 #47801C #63B227 #81D541 #A2E073

Accessibility & contrast

On white

2.65

#63B227 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#63B227 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B227

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B227	#FFFFFF	#000000	##000000
##63B227	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)

#B9A300

Deuteranopia (green-blind)

#AE9D36

Tritanopia (blue-blind)

#61AB98

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63b227;
/* rgb */ color: rgb(99, 178, 39);
/* oklch */ color: oklch(68.7% 0.185 135.2);

Tailwind

colors: {
  custom: {
    50: '#96c96c',
    500: '#63b227',
    950: '#000000',
  },
}

SCSS

$custom: #63b227;
$custom-light: #96c96c;
$custom-dark: #000000;

JSON

{
  "hex": "#63b227",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 39
  },
  "hsl": {
    "h": 94.101,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.68669,
    "c": 0.18457,
    "h": 135.2
  },
  "luminance": 0.3464
}

Semantic roles & 50–950 ramp

primary

#63B227

secondary

#A16DC8

accent

#41E79F

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B227

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

Preview Lab → · Contrast checker → · Palette generator →