#78C439#78C439

#78C439 is a light, vivid yellow-green. Relative luminance 0.438; OKLCH L 74.4% C 0.186 H 134.0°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#78C439
RGB	rgb(120, 196, 57)
HSL	hsl(93, 55%, 50%)
HSV	hsv(93, 71%, 77%)
CMYK	cmyk(38.8%, 0%, 70.9%, 23.1%)
CIE-LAB	lab(72.07, -46.05, 59.18)
CIE-LCH	lch(72.07, 74.98, 127.89°)
OKLab	oklab(74.38% -0.129 0.1336)
OKLCH	oklch(74.38% 0.186 134)
XYZ	xyz(28.2237, 43.7670, 10.8309)
Luminance	0.4377 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C439 #8539C4

analogous

#BEC439 #78C439 #39C440

triadic

#78C439 #3978C4 #C43978

tetradic

#78C439 #39BEC4 #8539C4 #C44039

square

#78C439 #39BEC4 #8539C4 #C44039

split-complementary

#78C439 #4039C4 #C439BE

monochromatic

#3E651D #5B952B #78C439 #98D367 #B8E197

Accessibility & contrast

On white

2.15

#78C439 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#78C439 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C439

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C439	#FFFFFF	#000000	##000000
##78C439	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB522

Deuteranopia (green-blind)

#C1AE46

Tritanopia (blue-blind)

#77BCA9

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #78c439;
/* rgb */ color: rgb(120, 196, 57);
/* oklch */ color: oklch(74.4% 0.186 134.0);

Tailwind

colors: {
  custom: {
    50: '#a5d678',
    500: '#78c439',
    950: '#000000',
  },
}

SCSS

$custom: #78c439;
$custom-light: #a5d678;
$custom-dark: #000000;

JSON

{
  "hex": "#78c439",
  "rgb": {
    "r": 120,
    "g": 196,
    "b": 57
  },
  "hsl": {
    "h": 92.806,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.74378,
    "c": 0.18572,
    "h": 134
  },
  "luminance": 0.43768
}

Semantic roles & 50–950 ramp

primary

#78C439

secondary

#AF8DCC

accent

#4ADE9B

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#101409

muted

#7F837B

Preview Lab

Preview with #78C439

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

Preview Lab → · Contrast checker → · Palette generator →