#78BC39#78BC39

#78BC39 is a light, vivid yellow-green. Relative luminance 0.403; OKLCH L 72.4% C 0.176 H 133.0°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#78BC39
RGB	rgb(120, 188, 57)
HSL	hsl(91, 53%, 48%)
HSV	hsv(91, 70%, 74%)
CMYK	cmyk(36.2%, 0%, 69.7%, 26.3%)
CIE-LAB	lab(69.65, -42.67, 56.71)
CIE-LCH	lch(69.65, 70.97, 126.96°)
OKLab	oklab(72.4% -0.1198 0.1285)
OKLCH	oklch(72.4% 0.176 133)
XYZ	xyz(26.4671, 40.2538, 10.2453)
Luminance	0.4026 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78BC39 #7D39BC

analogous

#B9BC39 #78BC39 #39BC3C

triadic

#78BC39 #3978BC #BC3978

tetradic

#78BC39 #39B9BC #7D39BC #BC3C39

square

#78BC39 #39B9BC #7D39BC #BC3C39

split-complementary

#78BC39 #3C39BC #BC39B9

monochromatic

#3C5E1D #5A8D2B #78BC39 #97D063 #B6DE92

Accessibility & contrast

On white

2.32

#78BC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#78BC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78BC39

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78BC39	#FFFFFF	#000000	##000000
##78BC39	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE25

Deuteranopia (green-blind)

#BAA845

Tritanopia (blue-blind)

#79B5A2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #78bc39;
/* rgb */ color: rgb(120, 188, 57);
/* oklch */ color: oklch(72.4% 0.176 133.0);

Tailwind

colors: {
  custom: {
    50: '#a4d077',
    500: '#78bc39',
    950: '#000000',
  },
}

SCSS

$custom: #78bc39;
$custom-light: #a4d077;
$custom-dark: #000000;

JSON

{
  "hex": "#78bc39",
  "rgb": {
    "r": 120,
    "g": 188,
    "b": 57
  },
  "hsl": {
    "h": 91.145,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.72398,
    "c": 0.17565,
    "h": 133
  },
  "luminance": 0.40255
}

Semantic roles & 50–950 ramp

primary

#78BC39

secondary

#AA88C9

accent

#4BDD97

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101409

muted

#7F827B

Preview Lab

Preview with #78BC39

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

Preview Lab → · Contrast checker → · Palette generator →