#55B318#55B318

#55B318 is a light, vivid yellow-green. Relative luminance 0.342; OKLCH L 68.2% C 0.199 H 137.0°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#55B318
RGB	rgb(85, 179, 24)
HSL	hsl(96, 76%, 40%)
HSV	hsv(96, 87%, 70%)
CMYK	cmyk(52.5%, 0%, 86.6%, 29.8%)
CIE-LAB	lab(65.15, -52.23, 62.08)
CIE-LCH	lch(65.15, 81.13, 130.08°)
OKLab	oklab(68.23% -0.1453 0.1356)
OKLCH	oklch(68.23% 0.199 137)
XYZ	xyz(20.0307, 34.2359, 6.4167)
Luminance	0.3424 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B318 #7618B3

analogous

#A3B318 #55B318 #18B328

triadic

#55B318 #1855B3 #B31855

tetradic

#55B318 #18A3B3 #7618B3 #B32818

square

#55B318 #18A3B3 #7618B3 #B32818

split-complementary

#55B318 #2818B3 #B318A3

monochromatic

#22470A #3B7D11 #55B318 #70E226 #94E95C

Accessibility & contrast

On white

2.68

#55B318 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#55B318 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B318

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B318	#FFFFFF	#000000	##000000
##55B318	1.00	2.68	7.85	7.85
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.85	21.00	1.00	1.00
##000000	7.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AD9B2E

Tritanopia (blue-blind)

#4FAC98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #55b318;
/* rgb */ color: rgb(85, 179, 24);
/* oklch */ color: oklch(68.2% 0.199 137.0);

Tailwind

colors: {
  custom: {
    50: '#8fca67',
    500: '#55b318',
    950: '#000000',
  },
}

SCSS

$custom: #55b318;
$custom-light: #8fca67;
$custom-dark: #000000;

JSON

{
  "hex": "#55b318",
  "rgb": {
    "r": 85,
    "g": 179,
    "b": 24
  },
  "hsl": {
    "h": 96.387,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.68231,
    "c": 0.19877,
    "h": 137
  },
  "luminance": 0.34237
}

Semantic roles & 50–950 ramp

primary

#55B318

secondary

#A05ACD

accent

#35F3A8

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55B318

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

Preview Lab → · Contrast checker → · Palette generator →