#63CF4F#63CF4F

#63CF4F is a light, vivid green. Relative luminance 0.478; OKLCH L 76.4% C 0.194 H 140.7°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#63CF4F
RGB	rgb(99, 207, 79)
HSL	hsl(111, 57%, 56%)
HSV	hsv(111, 62%, 81%)
CMYK	cmyk(52.2%, 0%, 61.8%, 18.8%)
CIE-LAB	lab(74.72, -54.96, 52.88)
CIE-LCH	lch(74.72, 76.26, 136.10°)
OKLab	oklab(76.37% -0.1504 0.1232)
OKLCH	oklch(76.37% 0.194 140.7)
XYZ	xyz(28.8684, 47.8405, 15.1085)
Luminance	0.4784 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF4F #BB4FCF

analogous

#A3CF4F #63CF4F #4FCF7B

triadic

#63CF4F #4F63CF #CF4F63

tetradic

#63CF4F #4FA3CF #BB4FCF #CF7B4F

square

#63CF4F #4FA3CF #BB4FCF #CF7B4F

split-complementary

#63CF4F #7B4FCF #CF4FA3

monochromatic

#328123 #44B130 #63CF4F #8EDC7F #B8E9AF

Accessibility & contrast

On white

1.99

#63CF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#63CF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF4F

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF4F	#FFFFFF	#000000	##000000
##63CF4F	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BE40

Deuteranopia (green-blind)

#C6B45A

Tritanopia (blue-blind)

#57C9B4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63cf4f;
/* rgb */ color: rgb(99, 207, 79);
/* oklch */ color: oklch(76.4% 0.194 140.7);

Tailwind

colors: {
  custom: {
    50: '#98de85',
    500: '#63cf4f',
    950: '#000000',
  },
}

SCSS

$custom: #63cf4f;
$custom-light: #98de85;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf4f",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 79
  },
  "hsl": {
    "h": 110.625,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.76369,
    "c": 0.19442,
    "h": 140.7
  },
  "luminance": 0.47843
}

Semantic roles & 50–950 ramp

primary

#63CF4F

secondary

#CFA2D7

accent

#47E0C8

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0F150B

muted

#7E837C

Preview Lab

Preview with #63CF4F

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

Preview Lab → · Contrast checker → · Palette generator →