#78C540#78C540

#78C540 is a light, vivid yellow-green. Relative luminance 0.443; OKLCH L 74.7% C 0.182 H 134.7°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#78C540
RGB	rgb(120, 197, 64)
HSL	hsl(95, 53%, 51%)
HSV	hsv(95, 68%, 77%)
CMYK	cmyk(39.1%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(72.42, -45.95, 56.86)
CIE-LCH	lch(72.42, 73.10, 128.94°)
OKLab	oklab(74.68% -0.1282 0.1297)
OKLCH	oklch(74.68% 0.182 134.7)
XYZ	xyz(28.6368, 44.2943, 11.8903)
Luminance	0.4430 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C540 #8D40C5

analogous

#BAC540 #78C540 #40C54A

triadic

#78C540 #4078C5 #C54078

tetradic

#78C540 #40BAC5 #8D40C5 #C54A40

square

#78C540 #40BAC5 #8D40C5 #C54A40

split-complementary

#78C540 #4A40C5 #C540BA

monochromatic

#3F6A20 #5B992F #78C540 #99D36F #BAE29E

Accessibility & contrast

On white

2.13

#78C540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.86

#78C540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C540

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C540	#FFFFFF	#000000	##000000
##78C540	1.00	2.13	9.86	9.86
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.86	21.00	1.00	1.00
##000000	9.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB62D

Deuteranopia (green-blind)

#C2AF4C

Tritanopia (blue-blind)

#77BEAA

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #78c540;
/* rgb */ color: rgb(120, 197, 64);
/* oklch */ color: oklch(74.7% 0.182 134.7);

Tailwind

colors: {
  custom: {
    50: '#a4d77c',
    500: '#78c540',
    950: '#000000',
  },
}

SCSS

$custom: #78c540;
$custom-light: #a4d77c;
$custom-dark: #000000;

JSON

{
  "hex": "#78c540",
  "rgb": {
    "r": 120,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 94.737,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74682,
    "c": 0.18235,
    "h": 134.7
  },
  "luminance": 0.44296
}

Semantic roles & 50–950 ramp

primary

#78C540

secondary

#B593CE

accent

#4BDD9F

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#10140A

muted

#7F837C

Preview Lab

Preview with #78C540

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

Preview Lab → · Contrast checker → · Palette generator →