#63A923#63A923

#63A923 is a light, vivid yellow-green. Relative luminance 0.311; OKLCH L 66.3% C 0.176 H 133.9°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#63A923
RGB	rgb(99, 169, 35)
HSL	hsl(91, 66%, 40%)
HSV	hsv(91, 79%, 66%)
CMYK	cmyk(41.4%, 0%, 79.3%, 33.7%)
CIE-LAB	lab(62.63, -43.35, 57.14)
CIE-LCH	lch(62.63, 71.72, 127.19°)
OKLab	oklab(66.34% -0.1219 0.1265)
OKLCH	oklch(66.34% 0.176 133.9)
XYZ	xyz(19.6366, 31.1489, 6.5674)
Luminance	0.3115 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A923 #6923A9

analogous

#A6A923 #63A923 #23A926

triadic

#63A923 #2363A9 #A92363

tetradic

#63A923 #23A6A9 #6923A9 #A92623

square

#63A923 #23A6A9 #6923A9 #A92623

split-complementary

#63A923 #2623A9 #A923A6

monochromatic

#28440E #457619 #63A923 #81D534 #A1DF67

Accessibility & contrast

On white

2.90

#63A923 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#63A923 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A923

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A923	#FFFFFF	#000000	##000000
##63A923	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A69532

Tritanopia (blue-blind)

#62A290

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #63a923;
/* rgb */ color: rgb(99, 169, 35);
/* oklch */ color: oklch(66.3% 0.176 133.9);

Tailwind

colors: {
  custom: {
    50: '#96c36a',
    500: '#63a923',
    950: '#000000',
  },
}

SCSS

$custom: #63a923;
$custom-light: #96c36a;
$custom-dark: #000000;

JSON

{
  "hex": "#63a923",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 35
  },
  "hsl": {
    "h": 91.343,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.66339,
    "c": 0.17564,
    "h": 133.9
  },
  "luminance": 0.3115
}

Semantic roles & 50–950 ramp

primary

#63A923

secondary

#9663C5

accent

#3FE998

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A923

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

Preview Lab → · Contrast checker → · Palette generator →