#78A521#78A521

#78A521 is a light, vivid yellow-green. Relative luminance 0.310; OKLCH L 66.5% C 0.161 H 127.5°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#78A521
RGB	rgb(120, 165, 33)
HSL	hsl(80, 67%, 39%)
HSV	hsv(80, 80%, 65%)
CMYK	cmyk(27.3%, 0%, 80%, 35.3%)
CIE-LAB	lab(62.52, -33.91, 58.05)
CIE-LCH	lch(62.52, 67.23, 120.29°)
OKLab	oklab(66.54% -0.0978 0.1276)
OKLCH	oklch(66.54% 0.161 127.5)
XYZ	xyz(21.4754, 31.0127, 6.2931)
Luminance	0.3101 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78A521 #4E21A5

analogous

#A59021 #78A521 #36A521

triadic

#78A521 #2178A5 #A52178

tetradic

#78A521 #21A590 #4E21A5 #A52136

square

#78A521 #21A590 #4E21A5 #A52136

split-complementary

#78A521 #2136A5 #9021A5

monochromatic

#2E3F0D #537217 #78A521 #9CD52E #B4DF61

Accessibility & contrast

On white

2.92

#78A521 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#78A521 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78A521

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78A521	#FFFFFF	#000000	##000000
##78A521	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9900

Deuteranopia (green-blind)

#A8962F

Tritanopia (blue-blind)

#7D9D8D

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #78a521;
/* rgb */ color: rgb(120, 165, 33);
/* oklch */ color: oklch(66.5% 0.161 127.5);

Tailwind

colors: {
  custom: {
    50: '#a3c068',
    500: '#78a521',
    950: '#000000',
  },
}

SCSS

$custom: #78a521;
$custom-light: #a3c068;
$custom-dark: #000000;

JSON

{
  "hex": "#78a521",
  "rgb": {
    "r": 120,
    "g": 165,
    "b": 33
  },
  "hsl": {
    "h": 80.455,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.66544,
    "c": 0.16076,
    "h": 127.5
  },
  "luminance": 0.31013
}

Semantic roles & 50–950 ramp

primary

#78A521

secondary

#815EC4

accent

#3EEA79

background

#FAFBF6

surface

#F4F7EB

border

#CED0C6

text

#101207

muted

#7F817A

Preview Lab

Preview with #78A521

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

Preview Lab → · Contrast checker → · Palette generator →