#63B233#63B233

#63B233 is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 68.8% C 0.178 H 136.1°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#63B233
RGB	rgb(99, 178, 51)
HSL	hsl(97, 55%, 45%)
HSV	hsv(97, 71%, 70%)
CMYK	cmyk(44.4%, 0%, 71.3%, 30.2%)
CIE-LAB	lab(65.54, -46.04, 54.46)
CIE-LCH	lch(65.54, 71.32, 130.21°)
OKLab	oklab(68.75% -0.128 0.1232)
OKLCH	oklch(68.75% 0.178 136.1)
XYZ	xyz(21.6630, 34.7312, 8.6936)
Luminance	0.3473 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B233 #8233B2

analogous

#A3B233 #63B233 #33B242

triadic

#63B233 #3363B2 #B23363

tetradic

#63B233 #33A3B2 #8233B2 #B24233

square

#63B233 #33A3B2 #8233B2 #B24233

split-complementary

#63B233 #4233B2 #B233A3

monochromatic

#2E5318 #498225 #63B233 #82CE54 #A5DC84

Accessibility & contrast

On white

2.64

#63B233 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#63B233 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B233

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B233	#FFFFFF	#000000	##000000
##63B233	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A31E

Deuteranopia (green-blind)

#AE9D3F

Tritanopia (blue-blind)

#60AB99

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63b233;
/* rgb */ color: rgb(99, 178, 51);
/* oklch */ color: oklch(68.8% 0.178 136.1);

Tailwind

colors: {
  custom: {
    50: '#96c972',
    500: '#63b233',
    950: '#000000',
  },
}

SCSS

$custom: #63b233;
$custom-light: #96c972;
$custom-dark: #000000;

JSON

{
  "hex": "#63b233",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 51
  },
  "hsl": {
    "h": 97.323,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.68751,
    "c": 0.17771,
    "h": 136.1
  },
  "luminance": 0.34732
}

Semantic roles & 50–950 ramp

primary

#63B233

secondary

#A97CC5

accent

#49DFA6

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B233

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

Preview Lab → · Contrast checker → · Palette generator →