#78D51F#78D51F

#78D51F is a light, highly saturated yellow-green. Relative luminance 0.517; OKLCH L 78.4% C 0.218 H 134.4°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#78D51F
RGB	rgb(120, 213, 31)
HSL	hsl(91, 75%, 48%)
HSV	hsv(91, 85%, 84%)
CMYK	cmyk(43.7%, 0%, 85.4%, 16.5%)
CIE-LAB	lab(77.09, -54.18, 71.49)
CIE-LCH	lch(77.09, 89.70, 127.16°)
OKLab	oklab(78.45% -0.1524 0.1558)
OKLCH	oklch(78.45% 0.218 134.4)
XYZ	xyz(31.7867, 51.6787, 9.5961)
Luminance	0.5168 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78D51F #7C1FD5

analogous

#D3D51F #78D51F #1FD521

triadic

#78D51F #1F78D5 #D51F78

tetradic

#78D51F #1FD3D5 #7C1FD5 #D5211F

square

#78D51F #1FD3D5 #7C1FD5 #D5211F

split-complementary

#78D51F #211FD5 #D51FD3

monochromatic

#3C6A0F #5AA017 #78D51F #97E54C #B6ED82

Accessibility & contrast

On white

1.85

#78D51F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.34

#78D51F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78D51F

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78D51F	#FFFFFF	#000000	##000000
##78D51F	1.00	1.85	11.34	11.34
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.34	21.00	1.00	1.00
##000000	11.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC300

Deuteranopia (green-blind)

#D1BC38

Tritanopia (blue-blind)

#76CCB6

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #78d51f;
/* rgb */ color: rgb(120, 213, 31);
/* oklch */ color: oklch(78.4% 0.218 134.4);

Tailwind

colors: {
  custom: {
    50: '#a7e26f',
    500: '#78d51f',
    950: '#000000',
  },
}

SCSS

$custom: #78d51f;
$custom-light: #a7e26f;
$custom-dark: #000000;

JSON

{
  "hex": "#78d51f",
  "rgb": {
    "r": 120,
    "g": 213,
    "b": 31
  },
  "hsl": {
    "h": 90.659,
    "s": 74.59,
    "l": 47.843
  },
  "oklch": {
    "l": 0.78448,
    "c": 0.21795,
    "h": 134.4
  },
  "luminance": 0.5168
}

Semantic roles & 50–950 ramp

primary

#78D51F

secondary

#4D2474

accent

#37F196

background

#FDFEFB

surface

#F7FCF1

border

#D0D5CB

text

#111508

muted

#81847D

Preview Lab

Preview with #78D51F

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

Preview Lab → · Contrast checker → · Palette generator →