#63A423#63A423

#63A423 is a light, vivid yellow-green. Relative luminance 0.293; OKLCH L 65.1% C 0.170 H 133.3°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#63A423
RGB	rgb(99, 164, 35)
HSL	hsl(90, 65%, 39%)
HSV	hsv(90, 79%, 64%)
CMYK	cmyk(39.6%, 0%, 78.7%, 35.7%)
CIE-LAB	lab(61.07, -41.25, 55.67)
CIE-LCH	lch(61.07, 69.29, 126.54°)
OKLab	oklab(65.06% -0.1162 0.1234)
OKLCH	oklch(65.06% 0.17 133.3)
XYZ	xyz(18.7241, 29.3240, 6.2633)
Luminance	0.2933 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A423 #6423A4

analogous

#A4A423 #63A423 #23A424

triadic

#63A423 #2363A4 #A42363

tetradic

#63A423 #23A4A4 #6423A4 #A42423

square

#63A423 #23A4A4 #6423A4 #A42423

split-complementary

#63A423 #2423A4 #A423A4

monochromatic

#263F0D #457218 #63A423 #81D331 #A0DE64

Accessibility & contrast

On white

3.06

#63A423 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#63A423 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63A423

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A423	#FFFFFF	#000000	##000000
##63A423	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9700

Deuteranopia (green-blind)

#A29231

Tritanopia (blue-blind)

#639D8C

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #63a423;
/* rgb */ color: rgb(99, 164, 35);
/* oklch */ color: oklch(65.1% 0.170 133.3);

Tailwind

colors: {
  custom: {
    50: '#95bf69',
    500: '#63a423',
    950: '#000000',
  },
}

SCSS

$custom: #63a423;
$custom-light: #95bf69;
$custom-dark: #000000;

JSON

{
  "hex": "#63a423",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 35
  },
  "hsl": {
    "h": 90.233,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.65056,
    "c": 0.16951,
    "h": 133.3
  },
  "luminance": 0.29325
}

Semantic roles & 50–950 ramp

primary

#63A423

secondary

#9260C3

accent

#40E895

background

#F9FBF6

surface

#F2F7EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A423

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

Preview Lab → · Contrast checker → · Palette generator →