#78C03B#78C03B

#78C03B is a light, vivid yellow-green. Relative luminance 0.420; OKLCH L 73.4% C 0.179 H 133.7°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#78C03B
RGB	rgb(120, 192, 59)
HSL	hsl(92, 53%, 49%)
HSV	hsv(92, 69%, 75%)
CMYK	cmyk(37.5%, 0%, 69.3%, 24.7%)
CIE-LAB	lab(70.88, -44.23, 57.20)
CIE-LCH	lch(70.88, 72.30, 127.71°)
OKLab	oklab(73.4% -0.1239 0.1298)
OKLCH	oklch(73.4% 0.179 133.7)
XYZ	xyz(27.3843, 42.0069, 10.8021)
Luminance	0.4201 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C03B #833BC0

analogous

#BBC03B #78C03B #3BC041

triadic

#78C03B #3B78C0 #C03B78

tetradic

#78C03B #3BBBC0 #833BC0 #C0413B

square

#78C03B #3BBBC0 #833BC0 #C0413B

split-complementary

#78C03B #413BC0 #C03BBB

monochromatic

#3D621E #5B912D #78C03B #98D168 #B8DF97

Accessibility & contrast

On white

2.23

#78C03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#78C03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C03B

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C03B	#FFFFFF	#000000	##000000
##78C03B	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B127

Deuteranopia (green-blind)

#BEAB47

Tritanopia (blue-blind)

#78B9A5

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #78c03b;
/* rgb */ color: rgb(120, 192, 59);
/* oklch */ color: oklch(73.4% 0.179 133.7);

Tailwind

colors: {
  custom: {
    50: '#a4d378',
    500: '#78c03b',
    950: '#000000',
  },
}

SCSS

$custom: #78c03b;
$custom-light: #a4d378;
$custom-dark: #000000;

JSON

{
  "hex": "#78c03b",
  "rgb": {
    "r": 120,
    "g": 192,
    "b": 59
  },
  "hsl": {
    "h": 92.481,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.73404,
    "c": 0.1794,
    "h": 133.7
  },
  "luminance": 0.42008
}

Semantic roles & 50–950 ramp

primary

#78C03B

secondary

#AE8CCA

accent

#4BDC9A

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#101409

muted

#7F837B

Preview Lab

Preview with #78C03B

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

Preview Lab → · Contrast checker → · Palette generator →