#78C451#78C451

#78C451 is a light, vivid yellow-green. Relative luminance 0.441; OKLCH L 74.6% C 0.168 H 136.4°. Best body text is #000000 at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#78C451
RGB	rgb(120, 196, 81)
HSL	hsl(100, 49%, 54%)
HSV	hsv(100, 59%, 77%)
CMYK	cmyk(38.8%, 0%, 58.7%, 23.1%)
CIE-LAB	lab(72.27, -43.99, 49.45)
CIE-LCH	lch(72.27, 66.19, 131.66°)
OKLab	oklab(74.61% -0.1216 0.1159)
OKLCH	oklch(74.61% 0.168 136.4)
XYZ	xyz(28.9701, 44.0655, 14.7620)
Luminance	0.4407 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C451 #9D51C4

analogous

#B2C451 #78C451 #51C464

triadic

#78C451 #5178C4 #C45178

tetradic

#78C451 #51B2C4 #9D51C4 #C46451

square

#78C451 #51B2C4 #9D51C4 #C46451

split-complementary

#78C451 #6451C4 #C451B2

monochromatic

#417327 #5BA137 #78C451 #9BD37F #BFE3AC

Accessibility & contrast

On white

2.14

#78C451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.81

#78C451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C451

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C451	#FFFFFF	#000000	##000000
##78C451	1.00	2.14	9.81	9.81
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.81	21.00	1.00	1.00
##000000	9.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB545

Deuteranopia (green-blind)

#C0AF5A

Tritanopia (blue-blind)

#75BDAB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #78c451;
/* rgb */ color: rgb(120, 196, 81);
/* oklch */ color: oklch(74.6% 0.168 136.4);

Tailwind

colors: {
  custom: {
    50: '#a4d686',
    500: '#78c451',
    950: '#000000',
  },
}

SCSS

$custom: #78c451;
$custom-light: #a4d686;
$custom-dark: #000000;

JSON

{
  "hex": "#78c451",
  "rgb": {
    "r": 120,
    "g": 196,
    "b": 81
  },
  "hsl": {
    "h": 99.652,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.74605,
    "c": 0.16799,
    "h": 136.4
  },
  "luminance": 0.44067
}

Semantic roles & 50–950 ramp

primary

#78C451

secondary

#C0A0D1

accent

#4FD9AA

background

#FAFDF8

surface

#F4FAF0

border

#CED3CB

text

#10140B

muted

#7F837C

Preview Lab

Preview with #78C451

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

Preview Lab → · Contrast checker → · Palette generator →