#55B31F#55B31F

#55B31F is a light, vivid yellow-green. Relative luminance 0.343; OKLCH L 68.3% C 0.196 H 137.3°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#55B31F
RGB	rgb(85, 179, 31)
HSL	hsl(98, 70%, 41%)
HSV	hsv(98, 83%, 70%)
CMYK	cmyk(52.5%, 0%, 82.7%, 29.8%)
CIE-LAB	lab(65.18, -51.94, 60.41)
CIE-LCH	lch(65.18, 79.67, 130.69°)
OKLab	oklab(68.26% -0.1442 0.133)
OKLCH	oklch(68.26% 0.196 137.3)
XYZ	xyz(20.1131, 34.2689, 6.8508)
Luminance	0.3427 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B31F #7D1FB3

analogous

#9FB31F #55B31F #1FB333

triadic

#55B31F #1F55B3 #B31F55

tetradic

#55B31F #1F9FB3 #7D1FB3 #B3331F

square

#55B31F #1F9FB3 #7D1FB3 #B3331F

split-complementary

#55B31F #331FB3 #B31F9F

monochromatic

#234B0D #3C7F16 #55B31F #71DC33 #95E568

Accessibility & contrast

On white

2.67

#55B31F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#55B31F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B31F

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B31F	#FFFFFF	#000000	##000000
##55B31F	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)

#AD9B32

Tritanopia (blue-blind)

#4EAC98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #55b31f;
/* rgb */ color: rgb(85, 179, 31);
/* oklch */ color: oklch(68.3% 0.196 137.3);

Tailwind

colors: {
  custom: {
    50: '#8fca69',
    500: '#55b31f',
    950: '#000000',
  },
}

SCSS

$custom: #55b31f;
$custom-light: #8fca69;
$custom-dark: #000000;

JSON

{
  "hex": "#55b31f",
  "rgb": {
    "r": 85,
    "g": 179,
    "b": 31
  },
  "hsl": {
    "h": 98.108,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.68261,
    "c": 0.19621,
    "h": 137.3
  },
  "luminance": 0.3427
}

Semantic roles & 50–950 ramp

primary

#55B31F

secondary

#A564CA

accent

#3BEDAC

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55B31F

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

Preview Lab → · Contrast checker → · Palette generator →