#5A8018#5A8018

#5A8018 is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 55.1% C 0.134 H 128.4°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5A8018
RGB	rgb(90, 128, 24)
HSL	hsl(82, 68%, 30%)
HSV	hsv(82, 81%, 50%)
CMYK	cmyk(29.7%, 0%, 81.3%, 49.8%)
CIE-LAB	lab(49.10, -29.08, 47.83)
CIE-LCH	lch(49.10, 55.98, 121.30°)
OKLab	oklab(55.14% -0.0835 0.1054)
OKLCH	oklch(55.14% 0.134 128.4)
XYZ	xyz(12.1005, 17.6776, 3.6386)
Luminance	0.1768 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A8018 #3E1880

analogous

#807218 #5A8018 #268018

triadic

#5A8018 #185A80 #80185A

tetradic

#5A8018 #188072 #3E1880 #801826

square

#5A8018 #188072 #3E1880 #801826

split-complementary

#5A8018 #182680 #721880

monochromatic

#121A05 #364C0E #5A8018 #7EB422 #9FDA39

Accessibility & contrast

On white

4.63

#5A8018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#5A8018 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5A8018

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A8018	#FFFFFF	#000000	##FFFFFF
##5A8018	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877600

Deuteranopia (green-blind)

#817423

Tritanopia (blue-blind)

#5D7A6D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5a8018;
/* rgb */ color: rgb(90, 128, 24);
/* oklch */ color: oklch(55.1% 0.134 128.4);

Tailwind

colors: {
  custom: {
    50: '#8ca55f',
    500: '#5a8018',
    950: '#000000',
  },
}

SCSS

$custom: #5a8018;
$custom-light: #8ca55f;
$custom-dark: #000000;

JSON

{
  "hex": "#5a8018",
  "rgb": {
    "r": 90,
    "g": 128,
    "b": 24
  },
  "hsl": {
    "h": 81.923,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.55142,
    "c": 0.13445,
    "h": 128.4
  },
  "luminance": 0.17678
}

Semantic roles & 50–950 ramp

primary

#5A8018

secondary

#6A40B4

accent

#3DEB7C

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #5A8018

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

Preview Lab → · Contrast checker → · Palette generator →