#63B433#63B433

#63B433 is a light, vivid yellow-green. Relative luminance 0.355; OKLCH L 69.3% C 0.180 H 136.3°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#63B433
RGB	rgb(99, 180, 51)
HSL	hsl(98, 56%, 45%)
HSV	hsv(98, 72%, 71%)
CMYK	cmyk(45%, 0%, 71.7%, 29.4%)
CIE-LAB	lab(66.16, -46.85, 55.10)
CIE-LCH	lch(66.16, 72.32, 130.38°)
OKLab	oklab(69.26% -0.1302 0.1246)
OKLCH	oklch(69.26% 0.18 136.3)
XYZ	xyz(22.0638, 35.5328, 8.8272)
Luminance	0.3553 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B433 #8433B4

analogous

#A4B433 #63B433 #33B443

triadic

#63B433 #3363B4 #B43363

tetradic

#63B433 #33A4B4 #8433B4 #B44333

square

#63B433 #33A4B4 #8433B4 #B44333

split-complementary

#63B433 #4333B4 #B433A4

monochromatic

#2F5518 #498425 #63B433 #83CF55 #A6DC85

Accessibility & contrast

On white

2.59

#63B433 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#63B433 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B433

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B433	#FFFFFF	#000000	##000000
##63B433	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA51D

Deuteranopia (green-blind)

#AF9E3F

Tritanopia (blue-blind)

#60AD9B

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63b433;
/* rgb */ color: rgb(99, 180, 51);
/* oklch */ color: oklch(69.3% 0.180 136.3);

Tailwind

colors: {
  custom: {
    50: '#96cb73',
    500: '#63b433',
    950: '#000000',
  },
}

SCSS

$custom: #63b433;
$custom-light: #96cb73;
$custom-dark: #000000;

JSON

{
  "hex": "#63b433",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 51
  },
  "hsl": {
    "h": 97.674,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.69262,
    "c": 0.18022,
    "h": 136.3
  },
  "luminance": 0.35534
}

Semantic roles & 50–950 ramp

primary

#63B433

secondary

#AB7DC6

accent

#49DFA7

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B433

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

Preview Lab → · Contrast checker → · Palette generator →