#55B31C#55B31C

#55B31C is a light, vivid yellow-green. Relative luminance 0.343; OKLCH L 68.2% C 0.197 H 137.2°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#55B31C
RGB	rgb(85, 179, 28)
HSL	hsl(97, 73%, 41%)
HSV	hsv(97, 84%, 70%)
CMYK	cmyk(52.5%, 0%, 84.4%, 29.8%)
CIE-LAB	lab(65.16, -52.07, 61.17)
CIE-LCH	lch(65.16, 80.33, 130.41°)
OKLab	oklab(68.25% -0.1447 0.1342)
OKLCH	oklch(68.25% 0.197 137.2)
XYZ	xyz(20.0754, 34.2538, 6.6522)
Luminance	0.3426 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B31C #7A1CB3

analogous

#A0B31C #55B31C #1CB32E

triadic

#55B31C #1C55B3 #B31C55

tetradic

#55B31C #1CA0B3 #7A1CB3 #B32E1C

square

#55B31C #1CA0B3 #7A1CB3 #B32E1C

split-complementary

#55B31C #2E1CB3 #B31CA0

monochromatic

#23490B #3C7E14 #55B31C #70DE2E #95E763

Accessibility & contrast

On white

2.67

#55B31C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#55B31C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B31C

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B31C	#FFFFFF	#000000	##000000
##55B31C	1.00	2.67	7.85	7.85
#FFFFFF	2.67	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)

#AD9B30

Tritanopia (blue-blind)

#4FAC98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #55b31c;
/* rgb */ color: rgb(85, 179, 28);
/* oklch */ color: oklch(68.2% 0.197 137.2);

Tailwind

colors: {
  custom: {
    50: '#8fca68',
    500: '#55b31c',
    950: '#000000',
  },
}

SCSS

$custom: #55b31c;
$custom-light: #8fca68;
$custom-dark: #000000;

JSON

{
  "hex": "#55b31c",
  "rgb": {
    "r": 85,
    "g": 179,
    "b": 28
  },
  "hsl": {
    "h": 97.351,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.68248,
    "c": 0.19737,
    "h": 137.2
  },
  "luminance": 0.34255
}

Semantic roles & 50–950 ramp

primary

#55B31C

secondary

#A35FCB

accent

#38F0AA

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55B31C

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

Preview Lab → · Contrast checker → · Palette generator →