#78B539#78B539

#78B539 is a light, vivid yellow-green. Relative luminance 0.373; OKLCH L 70.7% C 0.167 H 132.0°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#78B539
RGB	rgb(120, 181, 57)
HSL	hsl(90, 52%, 47%)
HSV	hsv(90, 69%, 71%)
CMYK	cmyk(33.7%, 0%, 68.5%, 29%)
CIE-LAB	lab(67.53, -39.64, 54.51)
CIE-LCH	lch(67.53, 67.40, 126.03°)
OKLab	oklab(70.67% -0.1115 0.1239)
OKLCH	oklch(70.67% 0.167 132)
XYZ	xyz(25.0078, 37.3353, 9.7589)
Luminance	0.3734 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78B539 #7639B5

analogous

#B5B439 #78B539 #3AB539

triadic

#78B539 #3978B5 #B53978

tetradic

#78B539 #39B5B4 #7639B5 #B5393A

square

#78B539 #39B5B4 #7639B5 #B5393A

split-complementary

#78B539 #393AB5 #B439B5

monochromatic

#3A581C #59862A #78B539 #96CD5F #B5DB8D

Accessibility & contrast

On white

2.48

#78B539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#78B539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78B539

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78B539	#FFFFFF	#000000	##000000
##78B539	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA727

Deuteranopia (green-blind)

#B4A344

Tritanopia (blue-blind)

#7AAE9C

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #78b539;
/* rgb */ color: rgb(120, 181, 57);
/* oklch */ color: oklch(70.7% 0.167 132.0);

Tailwind

colors: {
  custom: {
    50: '#a3cb76',
    500: '#78b539',
    950: '#000000',
  },
}

SCSS

$custom: #78b539;
$custom-light: #a3cb76;
$custom-dark: #000000;

JSON

{
  "hex": "#78b539",
  "rgb": {
    "r": 120,
    "g": 181,
    "b": 57
  },
  "hsl": {
    "h": 89.516,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.70667,
    "c": 0.16668,
    "h": 132
  },
  "luminance": 0.37336
}

Semantic roles & 50–950 ramp

primary

#78B539

secondary

#A484C6

accent

#4CDC93

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #78B539

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

Preview Lab → · Contrast checker → · Palette generator →