#63AA3F#63AA3F

#63AA3F is a light, vivid yellow-green. Relative luminance 0.318; OKLCH L 66.8% C 0.159 H 136.6°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#63AA3F
RGB	rgb(99, 170, 63)
HSL	hsl(100, 46%, 46%)
HSV	hsv(100, 63%, 67%)
CMYK	cmyk(41.8%, 0%, 62.9%, 33.3%)
CIE-LAB	lab(63.14, -41.69, 46.96)
CIE-LCH	lch(63.14, 62.79, 131.60°)
OKLab	oklab(66.82% -0.1153 0.1089)
OKLCH	oklch(66.82% 0.159 136.6)
XYZ	xyz(20.4170, 31.7598, 9.7561)
Luminance	0.3176 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AA3F #863FAA

analogous

#98AA3F #63AA3F #3FAA50

triadic

#63AA3F #3F63AA #AA3F63

tetradic

#63AA3F #3F98AA #863FAA #AA503F

square

#63AA3F #3F98AA #863FAA #AA503F

split-complementary

#63AA3F #503FAA #AA3F98

monochromatic

#2F511E #497D2E #63AA3F #83C562 #A6D58E

Accessibility & contrast

On white

2.86

#63AA3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#63AA3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AA3F

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AA3F	#FFFFFF	#000000	##000000
##63AA3F	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09D32

Deuteranopia (green-blind)

#A69748

Tritanopia (blue-blind)

#60A493

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #63aa3f;
/* rgb */ color: rgb(99, 170, 63);
/* oklch */ color: oklch(66.8% 0.159 136.6);

Tailwind

colors: {
  custom: {
    50: '#94c478',
    500: '#63aa3f',
    950: '#000000',
  },
}

SCSS

$custom: #63aa3f;
$custom-light: #94c478;
$custom-dark: #000000;

JSON

{
  "hex": "#63aa3f",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 63
  },
  "hsl": {
    "h": 99.813,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.66821,
    "c": 0.15866,
    "h": 136.6
  },
  "luminance": 0.31761
}

Semantic roles & 50–950 ramp

primary

#63AA3F

secondary

#AC85C0

accent

#52D6A9

background

#F9FCF7

surface

#F2F8EE

border

#CCD1C9

text

#0E1209

muted

#7E817B

Preview Lab

Preview with #63AA3F

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

Preview Lab → · Contrast checker → · Palette generator →