#78C839#78C839

#78C839 is a light, vivid yellow-green. Relative luminance 0.456; OKLCH L 75.4% C 0.191 H 134.4°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#78C839
RGB	rgb(120, 200, 57)
HSL	hsl(94, 57%, 50%)
HSV	hsv(94, 72%, 78%)
CMYK	cmyk(40%, 0%, 71.5%, 21.6%)
CIE-LAB	lab(73.28, -47.70, 60.41)
CIE-LCH	lch(73.28, 76.97, 128.30°)
OKLab	oklab(75.37% -0.1334 0.1362)
OKLCH	oklch(75.37% 0.191 134.4)
XYZ	xyz(29.1379, 45.5955, 11.1356)
Luminance	0.4560 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C839 #8939C8

analogous

#C0C839 #78C839 #39C841

triadic

#78C839 #3978C8 #C83978

tetradic

#78C839 #39C0C8 #8939C8 #C84139

square

#78C839 #39C0C8 #8939C8 #C84139

split-complementary

#78C839 #4139C8 #C839C0

monochromatic

#3F691D #5B992B #78C839 #99D569 #B9E399

Accessibility & contrast

On white

2.08

#78C839 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#78C839 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C839

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C839	#FFFFFF	#000000	##000000
##78C839	1.00	2.08	10.12	10.12
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B820

Deuteranopia (green-blind)

#C5B247

Tritanopia (blue-blind)

#77C0AC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #78c839;
/* rgb */ color: rgb(120, 200, 57);
/* oklch */ color: oklch(75.4% 0.191 134.4);

Tailwind

colors: {
  custom: {
    50: '#a5d978',
    500: '#78c839',
    950: '#000000',
  },
}

SCSS

$custom: #78c839;
$custom-light: #a5d978;
$custom-dark: #000000;

JSON

{
  "hex": "#78c839",
  "rgb": {
    "r": 120,
    "g": 200,
    "b": 57
  },
  "hsl": {
    "h": 93.566,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.75367,
    "c": 0.19067,
    "h": 134.4
  },
  "luminance": 0.45597
}

Semantic roles & 50–950 ramp

primary

#78C839

secondary

#B28FCE

accent

#48E09D

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#101509

muted

#7F837B

Preview Lab

Preview with #78C839

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

Preview Lab → · Contrast checker → · Palette generator →