#78C440#78C440

#78C440 is a light, vivid yellow-green. Relative luminance 0.438; OKLCH L 74.4% C 0.181 H 134.6°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#78C440
RGB	rgb(120, 196, 64)
HSL	hsl(95, 53%, 51%)
HSV	hsv(95, 67%, 77%)
CMYK	cmyk(38.8%, 0%, 67.3%, 23.1%)
CIE-LAB	lab(72.12, -45.53, 56.54)
CIE-LCH	lch(72.12, 72.59, 128.84°)
OKLab	oklab(74.44% -0.127 0.129)
OKLCH	oklch(74.44% 0.181 134.6)
XYZ	xyz(28.4105, 43.8417, 11.8148)
Luminance	0.4384 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C440 #8C40C4

analogous

#BAC440 #78C440 #40C44A

triadic

#78C440 #4078C4 #C44078

tetradic

#78C440 #40BAC4 #8C40C4 #C44A40

square

#78C440 #40BAC4 #8C40C4 #C44A40

split-complementary

#78C440 #4A40C4 #C440BA

monochromatic

#3F6920 #5B982F #78C440 #99D26F #BAE19E

Accessibility & contrast

On white

2.15

#78C440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#78C440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C440

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C440	#FFFFFF	#000000	##000000
##78C440	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB52D

Deuteranopia (green-blind)

#C1AF4B

Tritanopia (blue-blind)

#77BDA9

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #78c440;
/* rgb */ color: rgb(120, 196, 64);
/* oklch */ color: oklch(74.4% 0.181 134.6);

Tailwind

colors: {
  custom: {
    50: '#a4d67b',
    500: '#78c440',
    950: '#000000',
  },
}

SCSS

$custom: #78c440;
$custom-light: #a4d67b;
$custom-dark: #000000;

JSON

{
  "hex": "#78c440",
  "rgb": {
    "r": 120,
    "g": 196,
    "b": 64
  },
  "hsl": {
    "h": 94.545,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.74435,
    "c": 0.18108,
    "h": 134.6
  },
  "luminance": 0.43843
}

Semantic roles & 50–950 ramp

primary

#78C440

secondary

#B493CD

accent

#4CDC9F

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#10140A

muted

#7F837C

Preview Lab

Preview with #78C440

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

Preview Lab → · Contrast checker → · Palette generator →