#78CC3B#78CC3B

#78CC3B is a light, vivid yellow-green. Relative luminance 0.475; OKLCH L 76.4% C 0.194 H 135.0°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#78CC3B
RGB	rgb(120, 204, 59)
HSL	hsl(95, 59%, 52%)
HSV	hsv(95, 71%, 80%)
CMYK	cmyk(41.2%, 0%, 71.1%, 20%)
CIE-LAB	lab(74.50, -49.19, 60.91)
CIE-LCH	lch(74.50, 78.29, 128.92°)
OKLab	oklab(76.37% -0.1373 0.1375)
OKLCH	oklch(76.37% 0.194 135)
XYZ	xyz(30.1274, 47.4929, 11.7164)
Luminance	0.4749 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CC3B #8F3BCC

analogous

#C0CC3B #78CC3B #3BCC47

triadic

#78CC3B #3B78CC #CC3B78

tetradic

#78CC3B #3BC0CC #8F3BCC #CC473B

square

#78CC3B #3BC0CC #8F3BCC #CC473B

split-complementary

#78CC3B #473BCC #CC3BC0

monochromatic

#40701D #5CA02A #78CC3B #99D96C #BBE59C

Accessibility & contrast

On white

2.00

#78CC3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.50

#78CC3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CC3B

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CC3B	#FFFFFF	#000000	##000000
##78CC3B	1.00	2.00	10.50	10.50
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.50	21.00	1.00	1.00
##000000	10.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC22

Deuteranopia (green-blind)

#C8B549

Tritanopia (blue-blind)

#76C4B0

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #78cc3b;
/* rgb */ color: rgb(120, 204, 59);
/* oklch */ color: oklch(76.4% 0.194 135.0);

Tailwind

colors: {
  custom: {
    50: '#a5dc7a',
    500: '#78cc3b',
    950: '#000000',
  },
}

SCSS

$custom: #78cc3b;
$custom-light: #a5dc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#78cc3b",
  "rgb": {
    "r": 120,
    "g": 204,
    "b": 59
  },
  "hsl": {
    "h": 94.759,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.76372,
    "c": 0.19437,
    "h": 135
  },
  "luminance": 0.47495
}

Semantic roles & 50–950 ramp

primary

#78CC3B

secondary

#B692D1

accent

#46E2A0

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78CC3B

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

Preview Lab → · Contrast checker → · Palette generator →