#78DB40#78DB40

#78DB40 is a light, highly saturated yellow-green. Relative luminance 0.550; OKLCH L 80.1% C 0.210 H 136.6°. Best body text is #000000 at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#78DB40
RGB	rgb(120, 219, 64)
HSL	hsl(98, 68%, 55%)
HSV	hsv(98, 71%, 86%)
CMYK	cmyk(45.2%, 0%, 70.8%, 14.1%)
CIE-LAB	lab(79.06, -54.78, 63.72)
CIE-LCH	lch(79.06, 84.03, 130.68°)
OKLab	oklab(80.11% -0.1521 0.1441)
OKLCH	oklch(80.11% 0.21 136.6)
XYZ	xyz(34.0017, 55.0241, 13.6786)
Luminance	0.5503 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DB40 #A340DB

analogous

#C5DB40 #78DB40 #40DB56

triadic

#78DB40 #4078DB #DB4078

tetradic

#78DB40 #40C5DB #A340DB #DB5640

square

#78DB40 #40C5DB #A340DB #DB5640

split-complementary

#78DB40 #5640DB #DB40C5

monochromatic

#418719 #5ABB23 #78DB40 #9CE573 #C1EEA7

Accessibility & contrast

On white

1.75

#78DB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.01

#78DB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DB40

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DB40	#FFFFFF	#000000	##000000
##78DB40	1.00	1.75	12.01	12.01
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.01	21.00	1.00	1.00
##000000	12.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C926

Deuteranopia (green-blind)

#D5C14F

Tritanopia (blue-blind)

#73D3BD

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #78db40;
/* rgb */ color: rgb(120, 219, 64);
/* oklch */ color: oklch(80.1% 0.210 136.6);

Tailwind

colors: {
  custom: {
    50: '#a7e77e',
    500: '#78db40',
    950: '#000000',
  },
}

SCSS

$custom: #78db40;
$custom-light: #a7e77e;
$custom-dark: #000000;

JSON

{
  "hex": "#78db40",
  "rgb": {
    "r": 120,
    "g": 219,
    "b": 64
  },
  "hsl": {
    "h": 98.323,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80113,
    "c": 0.20953,
    "h": 136.6
  },
  "luminance": 0.55026
}

Semantic roles & 50–950 ramp

primary

#78DB40

secondary

#6C328D

accent

#3DEBAC

background

#FDFEFB

surface

#F7FCF2

border

#D0D5CC

text

#10160A

muted

#81847D

Preview Lab

Preview with #78DB40

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

Preview Lab → · Contrast checker → · Palette generator →