#78C837#78C837

#78C837 is a light, vivid yellow-green. Relative luminance 0.456; OKLCH L 75.4% C 0.192 H 134.3°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#78C837
RGB	rgb(120, 200, 55)
HSL	hsl(93, 57%, 50%)
HSV	hsv(93, 73%, 78%)
CMYK	cmyk(40%, 0%, 72.5%, 21.6%)
CIE-LAB	lab(73.27, -47.83, 61.11)
CIE-LCH	lch(73.27, 77.60, 128.05°)
OKLab	oklab(75.35% -0.1339 0.1374)
OKLCH	oklch(75.35% 0.192 134.3)
XYZ	xyz(29.0890, 45.5760, 10.8780)
Luminance	0.4558 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C837 #8737C8

analogous

#C1C837 #78C837 #37C83E

triadic

#78C837 #3778C8 #C83778

tetradic

#78C837 #37C1C8 #8737C8 #C83E37

square

#78C837 #37C1C8 #8737C8 #C83E37

split-complementary

#78C837 #3E37C8 #C837C1

monochromatic

#3E681D #5B982A #78C837 #98D567 #B9E297

Accessibility & contrast

On white

2.08

#78C837 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#78C837 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C837

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C837	#FFFFFF	#000000	##000000
##78C837	1.00	2.08	10.12	10.12
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B81C

Deuteranopia (green-blind)

#C5B245

Tritanopia (blue-blind)

#77C0AC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #78c837;
/* rgb */ color: rgb(120, 200, 55);
/* oklch */ color: oklch(75.4% 0.192 134.3);

Tailwind

colors: {
  custom: {
    50: '#a5d977',
    500: '#78c837',
    950: '#000000',
  },
}

SCSS

$custom: #78c837;
$custom-light: #a5d977;
$custom-dark: #000000;

JSON

{
  "hex": "#78c837",
  "rgb": {
    "r": 120,
    "g": 200,
    "b": 55
  },
  "hsl": {
    "h": 93.103,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.75353,
    "c": 0.19188,
    "h": 134.3
  },
  "luminance": 0.45577
}

Semantic roles & 50–950 ramp

primary

#78C837

secondary

#B18DCE

accent

#48E09C

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#101509

muted

#7F837B

Preview Lab

Preview with #78C837

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

Preview Lab → · Contrast checker → · Palette generator →