#63B530#63B530

#63B530 is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.5% C 0.183 H 136.1°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#63B530
RGB	rgb(99, 181, 48)
HSL	hsl(97, 58%, 45%)
HSV	hsv(97, 73%, 71%)
CMYK	cmyk(45.3%, 0%, 73.5%, 29%)
CIE-LAB	lab(66.45, -47.47, 56.49)
CIE-LCH	lch(66.45, 73.79, 130.04°)
OKLab	oklab(69.49% -0.1321 0.1271)
OKLCH	oklch(69.49% 0.183 136.1)
XYZ	xyz(22.2024, 35.9124, 8.5576)
Luminance	0.3591 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B530 #8230B5

analogous

#A6B530 #63B530 #30B53F

triadic

#63B530 #3063B5 #B53063

tetradic

#63B530 #30A6B5 #8230B5 #B53F30

square

#63B530 #30A6B5 #8230B5 #B53F30

split-complementary

#63B530 #3F30B5 #B530A6

monochromatic

#2E5416 #498523 #63B530 #82D151 #A5DE82

Accessibility & contrast

On white

2.57

#63B530 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#63B530 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B530

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B530	#FFFFFF	#000000	##000000
##63B530	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA617

Deuteranopia (green-blind)

#B09F3D

Tritanopia (blue-blind)

#60AE9B

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63b530;
/* rgb */ color: rgb(99, 181, 48);
/* oklch */ color: oklch(69.5% 0.183 136.1);

Tailwind

colors: {
  custom: {
    50: '#96cc71',
    500: '#63b530',
    950: '#000000',
  },
}

SCSS

$custom: #63b530;
$custom-light: #96cc71;
$custom-dark: #000000;

JSON

{
  "hex": "#63b530",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 48
  },
  "hsl": {
    "h": 96.992,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.69495,
    "c": 0.18329,
    "h": 136.1
  },
  "luminance": 0.35914
}

Semantic roles & 50–950 ramp

primary

#63B530

secondary

#A97AC7

accent

#46E1A6

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B530

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

Preview Lab → · Contrast checker → · Palette generator →