#78B128#78B128

#78B128 is a light, vivid yellow-green. Relative luminance 0.356; OKLCH L 69.6% C 0.172 H 130.2°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#78B128
RGB	rgb(120, 177, 40)
HSL	hsl(85, 63%, 43%)
HSV	hsv(85, 77%, 69%)
CMYK	cmyk(32.2%, 0%, 77.4%, 30.6%)
CIE-LAB	lab(66.21, -38.96, 59.31)
CIE-LCH	lch(66.21, 70.97, 123.30°)
OKLab	oklab(69.56% -0.111 0.1314)
OKLCH	oklch(69.56% 0.172 130.2)
XYZ	xyz(23.8507, 35.5898, 7.6199)
Luminance	0.3559 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78B128 #6128B1

analogous

#B1A628 #78B128 #33B128

triadic

#78B128 #2878B1 #B12878

tetradic

#78B128 #28B1A6 #6128B1 #B12833

square

#78B128 #28B1A6 #6128B1 #B12833

split-complementary

#78B128 #2833B1 #A628B1

monochromatic

#344D11 #567F1D #78B128 #97D442 #B3E074

Accessibility & contrast

On white

2.59

#78B128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#78B128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78B128

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78B128	#FFFFFF	#000000	##000000
##78B128	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A401

Deuteranopia (green-blind)

#B2A036

Tritanopia (blue-blind)

#7BA997

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #78b128;
/* rgb */ color: rgb(120, 177, 40);
/* oklch */ color: oklch(69.6% 0.172 130.2);

Tailwind

colors: {
  custom: {
    50: '#a4c86d',
    500: '#78b128',
    950: '#000000',
  },
}

SCSS

$custom: #78b128;
$custom-light: #a4c86d;
$custom-dark: #000000;

JSON

{
  "hex": "#78b128",
  "rgb": {
    "r": 120,
    "g": 177,
    "b": 40
  },
  "hsl": {
    "h": 84.964,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.69555,
    "c": 0.17199,
    "h": 130.2
  },
  "luminance": 0.35591
}

Semantic roles & 50–950 ramp

primary

#78B128

secondary

#936EC7

accent

#42E686

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101308

muted

#7F827B

Preview Lab

Preview with #78B128

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

Preview Lab → · Contrast checker → · Palette generator →