#63B22B#63B22B

#63B22B is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 68.7% C 0.182 H 135.5°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#63B22B
RGB	rgb(99, 178, 43)
HSL	hsl(95, 61%, 43%)
HSV	hsv(95, 76%, 70%)
CMYK	cmyk(44.4%, 0%, 75.8%, 30.2%)
CIE-LAB	lab(65.49, -46.58, 57.28)
CIE-LCH	lch(65.49, 73.83, 129.12°)
OKLab	oklab(68.69% -0.13 0.128)
OKLCH	oklch(68.69% 0.182 135.5)
XYZ	xyz(21.5015, 34.6666, 7.8434)
Luminance	0.3467 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B22B #7A2BB2

analogous

#A6B22B #63B22B #2BB236

triadic

#63B22B #2B63B2 #B22B63

tetradic

#63B22B #2BA6B2 #7A2BB2 #B2362B

square

#63B22B #2BA6B2 #7A2BB2 #B2362B

split-complementary

#63B22B #362BB2 #B22BA6

monochromatic

#2C4F13 #48811F #63B22B #81D348 #A3DF79

Accessibility & contrast

On white

2.65

#63B22B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#63B22B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B22B

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B22B	#FFFFFF	#000000	##000000
##63B22B	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)

#B9A30B

Deuteranopia (green-blind)

#AE9D39

Tritanopia (blue-blind)

#60AB98

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63b22b;
/* rgb */ color: rgb(99, 178, 43);
/* oklch */ color: oklch(68.7% 0.182 135.5);

Tailwind

colors: {
  custom: {
    50: '#96c96e',
    500: '#63b22b',
    950: '#000000',
  },
}

SCSS

$custom: #63b22b;
$custom-light: #96c96e;
$custom-dark: #000000;

JSON

{
  "hex": "#63b22b",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 43
  },
  "hsl": {
    "h": 95.111,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.68694,
    "c": 0.18247,
    "h": 135.5
  },
  "luminance": 0.34668
}

Semantic roles & 50–950 ramp

primary

#63B22B

secondary

#A472C7

accent

#44E4A2

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B22B

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

Preview Lab → · Contrast checker → · Palette generator →