#78B837#78B837

#78B837 is a light, vivid yellow-green. Relative luminance 0.386; OKLCH L 71.4% C 0.172 H 132.3°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#78B837
RGB	rgb(120, 184, 55)
HSL	hsl(90, 54%, 47%)
HSV	hsv(90, 70%, 72%)
CMYK	cmyk(34.8%, 0%, 70.1%, 27.8%)
CIE-LAB	lab(68.42, -41.09, 56.21)
CIE-LCH	lch(68.42, 69.63, 126.17°)
OKLab	oklab(71.39% -0.1157 0.1271)
OKLCH	oklch(71.39% 0.172 132.3)
XYZ	xyz(25.5755, 38.5489, 9.7068)
Luminance	0.3855 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78B837 #7737B8

analogous

#B8B837 #78B837 #38B837

triadic

#78B837 #3778B8 #B83778

tetradic

#78B837 #37B8B8 #7737B8 #B83738

square

#78B837 #37B8B8 #7737B8 #B83738

split-complementary

#78B837 #3738B8 #B837B8

monochromatic

#3B5A1B #598929 #78B837 #97CF5D #B5DD8D

Accessibility & contrast

On white

2.41

#78B837 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#78B837 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78B837

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78B837	#FFFFFF	#000000	##000000
##78B837	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA22

Deuteranopia (green-blind)

#B7A543

Tritanopia (blue-blind)

#79B19E

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #78b837;
/* rgb */ color: rgb(120, 184, 55);
/* oklch */ color: oklch(71.4% 0.172 132.3);

Tailwind

colors: {
  custom: {
    50: '#a4cd75',
    500: '#78b837',
    950: '#000000',
  },
}

SCSS

$custom: #78b837;
$custom-light: #a4cd75;
$custom-dark: #000000;

JSON

{
  "hex": "#78b837",
  "rgb": {
    "r": 120,
    "g": 184,
    "b": 55
  },
  "hsl": {
    "h": 89.767,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.71393,
    "c": 0.17188,
    "h": 132.3
  },
  "luminance": 0.3855
}

Semantic roles & 50–950 ramp

primary

#78B837

secondary

#A584C7

accent

#4ADD93

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #78B837

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

Preview Lab → · Contrast checker → · Palette generator →