#55B31D#55B31D

#55B31D is a light, vivid yellow-green. Relative luminance 0.343; OKLCH L 68.3% C 0.197 H 137.2°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#55B31D
RGB	rgb(85, 179, 29)
HSL	hsl(98, 72%, 41%)
HSV	hsv(98, 84%, 70%)
CMYK	cmyk(52.5%, 0%, 83.8%, 29.8%)
CIE-LAB	lab(65.17, -52.03, 60.92)
CIE-LCH	lch(65.17, 80.12, 130.50°)
OKLab	oklab(68.25% -0.1446 0.1338)
OKLCH	oklch(68.25% 0.197 137.2)
XYZ	xyz(20.0875, 34.2587, 6.7162)
Luminance	0.3426 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B31D #7B1DB3

analogous

#A0B31D #55B31D #1DB330

triadic

#55B31D #1D55B3 #B31D55

tetradic

#55B31D #1DA0B3 #7B1DB3 #B3301D

square

#55B31D #1DA0B3 #7B1DB3 #B3301D

split-complementary

#55B31D #301DB3 #B31DA0

monochromatic

#234A0C #3C7E14 #55B31D #71DD30 #95E664

Accessibility & contrast

On white

2.67

#55B31D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#55B31D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B31D

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B31D	#FFFFFF	#000000	##000000
##55B31D	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)

#AD9B31

Tritanopia (blue-blind)

#4FAC98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #55b31d;
/* rgb */ color: rgb(85, 179, 29);
/* oklch */ color: oklch(68.3% 0.197 137.2);

Tailwind

colors: {
  custom: {
    50: '#8fca68',
    500: '#55b31d',
    950: '#000000',
  },
}

SCSS

$custom: #55b31d;
$custom-light: #8fca68;
$custom-dark: #000000;

JSON

{
  "hex": "#55b31d",
  "rgb": {
    "r": 85,
    "g": 179,
    "b": 29
  },
  "hsl": {
    "h": 97.6,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.68252,
    "c": 0.197,
    "h": 137.2
  },
  "luminance": 0.3426
}

Semantic roles & 50–950 ramp

primary

#55B31D

secondary

#A361CB

accent

#39EFAB

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55B31D

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

Preview Lab → · Contrast checker → · Palette generator →