#63C121#63C121

#63C121 is a light, highly saturated yellow-green. Relative luminance 0.409; OKLCH L 72.5% C 0.205 H 136.2°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#63C121
RGB	rgb(99, 193, 33)
HSL	hsl(95, 71%, 44%)
HSV	hsv(95, 83%, 76%)
CMYK	cmyk(48.7%, 0%, 82.9%, 24.3%)
CIE-LAB	lab(70.11, -52.98, 64.54)
CIE-LCH	lch(70.11, 83.51, 129.38°)
OKLab	oklab(72.47% -0.1478 0.1418)
OKLCH	oklch(72.47% 0.205 136.2)
XYZ	xyz(24.4894, 40.9007, 8.0427)
Luminance	0.4090 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C121 #7F21C1

analogous

#B3C121 #63C121 #21C12F

triadic

#63C121 #2163C1 #C12163

tetradic

#63C121 #21B3C1 #7F21C1 #C12F21

square

#63C121 #21B3C1 #7F21C1 #C12F21

split-complementary

#63C121 #2F21C1 #C121B3

monochromatic

#2D580F #488D18 #63C121 #82DE41 #A4E775

Accessibility & contrast

On white

2.29

#63C121 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#63C121 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C121

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C121	#FFFFFF	#000000	##000000
##63C121	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B000

Deuteranopia (green-blind)

#BCA935

Tritanopia (blue-blind)

#5EBAA5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63c121;
/* rgb */ color: rgb(99, 193, 33);
/* oklch */ color: oklch(72.5% 0.205 136.2);

Tailwind

colors: {
  custom: {
    50: '#98d46c',
    500: '#63c121',
    950: '#000000',
  },
}

SCSS

$custom: #63c121;
$custom-light: #98d46c;
$custom-dark: #000000;

JSON

{
  "hex": "#63c121",
  "rgb": {
    "r": 99,
    "g": 193,
    "b": 33
  },
  "hsl": {
    "h": 95.25,
    "s": 70.796,
    "l": 44.314
  },
  "oklch": {
    "l": 0.72473,
    "c": 0.20482,
    "h": 136.2
  },
  "luminance": 0.40902
}

Semantic roles & 50–950 ramp

primary

#63C121

secondary

#A76FCF

accent

#3AEEA4

background

#F9FDF6

surface

#F2FAEC

border

#CCD3C7

text

#0F1408

muted

#7E837A

Preview Lab

Preview with #63C121

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

Preview Lab → · Contrast checker → · Palette generator →