#63B42F#63B42F

#63B42F is a light, vivid yellow-green. Relative luminance 0.355; OKLCH L 69.2% C 0.183 H 135.9°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#63B42F
RGB	rgb(99, 180, 47)
HSL	hsl(97, 59%, 45%)
HSV	hsv(97, 74%, 71%)
CMYK	cmyk(45%, 0%, 73.9%, 29.4%)
CIE-LAB	lab(66.14, -47.13, 56.53)
CIE-LCH	lch(66.14, 73.60, 129.82°)
OKLab	oklab(69.23% -0.1313 0.127)
OKLCH	oklch(69.23% 0.183 135.9)
XYZ	xyz(21.9794, 35.4991, 8.3826)
Luminance	0.3550 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B42F #802FB4

analogous

#A6B42F #63B42F #2FB43D

triadic

#63B42F #2F63B4 #B42F63

tetradic

#63B42F #2FA6B4 #802FB4 #B43D2F

square

#63B42F #2FA6B4 #802FB4 #B43D2F

split-complementary

#63B42F #3D2FB4 #B42FA6

monochromatic

#2E5316 #488322 #63B42F #82D14F #A4DE80

Accessibility & contrast

On white

2.59

#63B42F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#63B42F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B42F

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B42F	#FFFFFF	#000000	##000000
##63B42F	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA515

Deuteranopia (green-blind)

#B09E3C

Tritanopia (blue-blind)

#60AD9A

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63b42f;
/* rgb */ color: rgb(99, 180, 47);
/* oklch */ color: oklch(69.2% 0.183 135.9);

Tailwind

colors: {
  custom: {
    50: '#96cb71',
    500: '#63b42f',
    950: '#000000',
  },
}

SCSS

$custom: #63b42f;
$custom-light: #96cb71;
$custom-dark: #000000;

JSON

{
  "hex": "#63b42f",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 47
  },
  "hsl": {
    "h": 96.541,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.69232,
    "c": 0.18265,
    "h": 135.9
  },
  "luminance": 0.355
}

Semantic roles & 50–950 ramp

primary

#63B42F

secondary

#A878C7

accent

#46E2A5

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B42F

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

Preview Lab → · Contrast checker → · Palette generator →