#63B41F#63B41F

#63B41F is a light, vivid yellow-green. Relative luminance 0.354; OKLCH L 69.1% C 0.191 H 134.9°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#63B41F
RGB	rgb(99, 180, 31)
HSL	hsl(93, 71%, 41%)
HSV	hsv(93, 83%, 71%)
CMYK	cmyk(45%, 0%, 82.8%, 29.4%)
CIE-LAB	lab(66.05, -48.02, 61.41)
CIE-LCH	lch(66.05, 77.96, 128.02°)
OKLab	oklab(69.14% -0.1346 0.1349)
OKLCH	oklch(69.14% 0.191 134.9)
XYZ	xyz(21.7137, 35.3928, 6.9834)
Luminance	0.3539 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B41F #701FB4

analogous

#AEB41F #63B41F #1FB425

triadic

#63B41F #1F63B4 #B41F63

tetradic

#63B41F #1FAEB4 #701FB4 #B4251F

square

#63B41F #1FAEB4 #701FB4 #B4251F

split-complementary

#63B41F #251FB4 #B41FAE

monochromatic

#2A4C0D #468016 #63B41F #81DC34 #A1E568

Accessibility & contrast

On white

2.60

#63B41F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#63B41F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B41F

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B41F	#FFFFFF	#000000	##000000
##63B41F	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA500

Deuteranopia (green-blind)

#B09E32

Tritanopia (blue-blind)

#61AD99

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b41f;
/* rgb */ color: rgb(99, 180, 31);
/* oklch */ color: oklch(69.1% 0.191 134.9);

Tailwind

colors: {
  custom: {
    50: '#97cb69',
    500: '#63b41f',
    950: '#000000',
  },
}

SCSS

$custom: #63b41f;
$custom-light: #97cb69;
$custom-dark: #000000;

JSON

{
  "hex": "#63b41f",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 31
  },
  "hsl": {
    "h": 92.617,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.69139,
    "c": 0.19058,
    "h": 134.9
  },
  "luminance": 0.35394
}

Semantic roles & 50–950 ramp

primary

#63B41F

secondary

#9C64CB

accent

#3AED9C

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #63B41F

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

Preview Lab → · Contrast checker → · Palette generator →