#63AA31#63AA31

#63AA31 is a light, vivid yellow-green. Relative luminance 0.316; OKLCH L 66.7% C 0.169 H 135.1°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#63AA31
RGB	rgb(99, 170, 49)
HSL	hsl(95, 55%, 43%)
HSV	hsv(95, 71%, 67%)
CMYK	cmyk(41.8%, 0%, 71.2%, 33.3%)
CIE-LAB	lab(63.03, -42.88, 52.66)
CIE-LCH	lch(63.03, 67.91, 129.16°)
OKLab	oklab(66.69% -0.1196 0.1192)
OKLCH	oklch(66.69% 0.169 135.1)
XYZ	xyz(20.0742, 31.6228, 7.9512)
Luminance	0.3162 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AA31 #7831AA

analogous

#9FAA31 #63AA31 #31AA3C

triadic

#63AA31 #3163AA #AA3163

tetradic

#63AA31 #319FAA #7831AA #AA3C31

square

#63AA31 #319FAA #7831AA #AA3C31

split-complementary

#63AA31 #3C31AA #AA319F

monochromatic

#2C4B16 #477A23 #63AA31 #81CC4D #A3D97C

Accessibility & contrast

On white

2.87

#63AA31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#63AA31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AA31

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AA31	#FFFFFF	#000000	##000000
##63AA31	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C1D

Deuteranopia (green-blind)

#A7963C

Tritanopia (blue-blind)

#61A492

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #63aa31;
/* rgb */ color: rgb(99, 170, 49);
/* oklch */ color: oklch(66.7% 0.169 135.1);

Tailwind

colors: {
  custom: {
    50: '#95c470',
    500: '#63aa31',
    950: '#000000',
  },
}

SCSS

$custom: #63aa31;
$custom-light: #95c470;
$custom-dark: #000000;

JSON

{
  "hex": "#63aa31",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 49
  },
  "hsl": {
    "h": 95.207,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.66691,
    "c": 0.16887,
    "h": 135.1
  },
  "luminance": 0.31624
}

Semantic roles & 50–950 ramp

primary

#63AA31

secondary

#A275C2

accent

#49DFA1

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #63AA31

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

Preview Lab → · Contrast checker → · Palette generator →