#78B451#78B451

#78B451 is a light, vivid yellow-green. Relative luminance 0.372; OKLCH L 70.7% C 0.146 H 134.6°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#78B451
RGB	rgb(120, 180, 81)
HSL	hsl(96, 40%, 51%)
HSV	hsv(96, 55%, 71%)
CMYK	cmyk(33.3%, 0%, 55%, 29.4%)
CIE-LAB	lab(67.45, -36.99, 43.85)
CIE-LCH	lch(67.45, 57.37, 130.15°)
OKLab	oklab(70.67% -0.1024 0.1038)
OKLCH	oklch(70.67% 0.146 134.6)
XYZ	xyz(25.5516, 37.2286, 13.6225)
Luminance	0.3723 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78B451 #8D51B4

analogous

#A9B451 #78B451 #51B45B

triadic

#78B451 #5178B4 #B45178

tetradic

#78B451 #51A9B4 #8D51B4 #B45B51

square

#78B451 #51A9B4 #8D51B4 #B45B51

split-complementary

#78B451 #5B51B4 #B451A9

monochromatic

#3F612A #5B8C3C #78B451 #99C67C #BAD9A7

Accessibility & contrast

On white

2.49

#78B451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#78B451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78B451

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78B451	#FFFFFF	#000000	##000000
##78B451	1.00	2.49	8.45	8.45
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA747

Deuteranopia (green-blind)

#B2A258

Tritanopia (blue-blind)

#77AE9E

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #78b451;
/* rgb */ color: rgb(120, 180, 81);
/* oklch */ color: oklch(70.7% 0.146 134.6);

Tailwind

colors: {
  custom: {
    50: '#a2cb85',
    500: '#78b451',
    950: '#000000',
  },
}

SCSS

$custom: #78b451;
$custom-light: #a2cb85;
$custom-dark: #000000;

JSON

{
  "hex": "#78b451",
  "rgb": {
    "r": 120,
    "g": 180,
    "b": 81
  },
  "hsl": {
    "h": 96.364,
    "s": 39.759,
    "l": 51.176
  },
  "oklch": {
    "l": 0.70674,
    "c": 0.14581,
    "h": 134.6
  },
  "luminance": 0.3723
}

Semantic roles & 50–950 ramp

primary

#78B451

secondary

#B59BC6

accent

#58D0A1

background

#FAFCF8

surface

#F4F8EF

border

#CED1CA

text

#0F130B

muted

#7F827C

Preview Lab

Preview with #78B451

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

Preview Lab → · Contrast checker → · Palette generator →