#78CC51#78CC51

#78CC51 is a light, vivid green. Relative luminance 0.478; OKLCH L 76.6% C 0.179 H 137.0°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#78CC51
RGB	rgb(120, 204, 81)
HSL	hsl(101, 55%, 56%)
HSV	hsv(101, 60%, 80%)
CMYK	cmyk(41.2%, 0%, 60.3%, 20%)
CIE-LAB	lab(74.68, -47.35, 52.19)
CIE-LCH	lch(74.68, 70.46, 132.22°)
OKLab	oklab(76.57% -0.1308 0.1218)
OKLCH	oklch(76.57% 0.179 137)
XYZ	xyz(30.8229, 47.7712, 15.3796)
Luminance	0.4777 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CC51 #A551CC

analogous

#B5CC51 #78CC51 #51CC67

triadic

#78CC51 #5178CC #CC5178

tetradic

#78CC51 #51B5CC #A551CC #CC6751

square

#78CC51 #51B5CC #A551CC #CC6751

split-complementary

#78CC51 #6751CC #CC51B5

monochromatic

#417E25 #5AAD33 #78CC51 #9DDA80 #C1E8B0

Accessibility & contrast

On white

1.99

#78CC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#78CC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CC51

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CC51	#FFFFFF	#000000	##000000
##78CC51	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BC43

Deuteranopia (green-blind)

#C7B55B

Tritanopia (blue-blind)

#74C5B2

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #78cc51;
/* rgb */ color: rgb(120, 204, 81);
/* oklch */ color: oklch(76.6% 0.179 137.0);

Tailwind

colors: {
  custom: {
    50: '#a4dc86',
    500: '#78cc51',
    950: '#000000',
  },
}

SCSS

$custom: #78cc51;
$custom-light: #a4dc86;
$custom-dark: #000000;

JSON

{
  "hex": "#78cc51",
  "rgb": {
    "r": 120,
    "g": 204,
    "b": 81
  },
  "hsl": {
    "h": 100.976,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76573,
    "c": 0.17868,
    "h": 137
  },
  "luminance": 0.47773
}

Semantic roles & 50–950 ramp

primary

#78CC51

secondary

#C6A3D6

accent

#4ADEAF

background

#FAFDF8

surface

#F4FBF0

border

#CED4CB

text

#10150B

muted

#7F837C

Preview Lab

Preview with #78CC51

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

Preview Lab → · Contrast checker → · Palette generator →