#78C427#78C427

#78C427 is a light, vivid yellow-green. Relative luminance 0.436; OKLCH L 74.3% C 0.195 H 132.9°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#78C427
RGB	rgb(120, 196, 39)
HSL	hsl(89, 67%, 46%)
HSV	hsv(89, 80%, 77%)
CMYK	cmyk(38.8%, 0%, 80.1%, 23.1%)
CIE-LAB	lab(71.97, -47.09, 64.97)
CIE-LCH	lch(71.97, 80.24, 125.93°)
OKLab	oklab(74.26% -0.133 0.1431)
OKLCH	oklch(74.26% 0.195 132.9)
XYZ	xyz(27.8515, 43.6181, 8.8707)
Luminance	0.4362 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C427 #7327C4

analogous

#C4C127 #78C427 #29C427

triadic

#78C427 #2778C4 #C42778

tetradic

#78C427 #27C4C1 #7327C4 #C42729

square

#78C427 #27C4C1 #7327C4 #C42729

split-complementary

#78C427 #2729C4 #C127C4

monochromatic

#395E13 #59911D #78C427 #96DC4D #B4E680

Accessibility & contrast

On white

2.16

#78C427 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#78C427 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C427

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C427	#FFFFFF	#000000	##000000
##78C427	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB400

Deuteranopia (green-blind)

#C2AE39

Tritanopia (blue-blind)

#79BCA7

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #78c427;
/* rgb */ color: rgb(120, 196, 39);
/* oklch */ color: oklch(74.3% 0.195 132.9);

Tailwind

colors: {
  custom: {
    50: '#a5d66f',
    500: '#78c427',
    950: '#000000',
  },
}

SCSS

$custom: #78c427;
$custom-light: #a5d66f;
$custom-dark: #000000;

JSON

{
  "hex": "#78c427",
  "rgb": {
    "r": 120,
    "g": 196,
    "b": 39
  },
  "hsl": {
    "h": 89.045,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.74264,
    "c": 0.19538,
    "h": 132.9
  },
  "luminance": 0.43619
}

Semantic roles & 50–950 ramp

primary

#78C427

secondary

#A279CE

accent

#3EEA91

background

#FAFDF7

surface

#F4FAED

border

#CED3C8

text

#101408

muted

#7F837B

Preview Lab

Preview with #78C427

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

Preview Lab → · Contrast checker → · Palette generator →