#78D545#78D545

#78D545 is a light, vivid yellow-green. Relative luminance 0.520; OKLCH L 78.7% C 0.199 H 136.5°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#78D545
RGB	rgb(120, 213, 69)
HSL	hsl(99, 63%, 55%)
HSV	hsv(99, 68%, 84%)
CMYK	cmyk(43.7%, 0%, 67.6%, 16.5%)
CIE-LAB	lab(77.29, -52.05, 60.02)
CIE-LCH	lch(77.29, 79.44, 130.94°)
OKLab	oklab(78.67% -0.1444 0.137)
OKLCH	oklch(78.67% 0.199 136.5)
XYZ	xyz(32.6133, 52.0093, 13.9494)
Luminance	0.5201 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78D545 #A245D5

analogous

#C0D545 #78D545 #45D55A

triadic

#78D545 #4578D5 #D54578

tetradic

#78D545 #45C0D5 #A245D5 #D55A45

square

#78D545 #45C0D5 #A245D5 #D55A45

split-complementary

#78D545 #5A45D5 #D545C0

monochromatic

#41821D #5AB429 #78D545 #9CE077 #C0ECA9

Accessibility & contrast

On white

1.84

#78D545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#78D545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78D545

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78D545	#FFFFFF	#000000	##000000
##78D545	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC430

Deuteranopia (green-blind)

#D0BC52

Tritanopia (blue-blind)

#74CDB8

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #78d545;
/* rgb */ color: rgb(120, 213, 69);
/* oklch */ color: oklch(78.7% 0.199 136.5);

Tailwind

colors: {
  custom: {
    50: '#a6e280',
    500: '#78d545',
    950: '#000000',
  },
}

SCSS

$custom: #78d545;
$custom-light: #a6e280;
$custom-dark: #000000;

JSON

{
  "hex": "#78d545",
  "rgb": {
    "r": 120,
    "g": 213,
    "b": 69
  },
  "hsl": {
    "h": 98.75,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.78674,
    "c": 0.19904,
    "h": 136.5
  },
  "luminance": 0.52011
}

Semantic roles & 50–950 ramp

primary

#78D545

secondary

#6B3589

accent

#42E6AC

background

#FDFEFB

surface

#F7FCF2

border

#D0D5CC

text

#10150B

muted

#81847E

Preview Lab

Preview with #78D545

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

Preview Lab → · Contrast checker → · Palette generator →