#55AA1B#55AA1B

#55AA1B is a light, vivid yellow-green. Relative luminance 0.308; OKLCH L 65.9% C 0.187 H 136.4°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#55AA1B
RGB	rgb(85, 170, 27)
HSL	hsl(96, 73%, 39%)
HSV	hsv(96, 84%, 67%)
CMYK	cmyk(50%, 0%, 84.1%, 33.3%)
CIE-LAB	lab(62.30, -48.70, 58.86)
CIE-LCH	lch(62.30, 76.40, 129.60°)
OKLab	oklab(65.89% -0.1358 0.1292)
OKLCH	oklch(65.89% 0.187 136.4)
XYZ	xyz(18.3184, 30.7586, 6.0084)
Luminance	0.3076 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55AA1B #701BAA

analogous

#9CAA1B #55AA1B #1BAA28

triadic

#55AA1B #1B55AA #AA1B55

tetradic

#55AA1B #1B9CAA #701BAA #AA281B

square

#55AA1B #1B9CAA #701BAA #AA281B

split-complementary

#55AA1B #281BAA #AA1B9C

monochromatic

#20400A #3B7513 #55AA1B #70DC26 #93E55B

Accessibility & contrast

On white

2.94

#55AA1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#55AA1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55AA1B

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55AA1B	#FFFFFF	#000000	##000000
##55AA1B	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A5942E

Tritanopia (blue-blind)

#50A391

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #55aa1b;
/* rgb */ color: rgb(85, 170, 27);
/* oklch */ color: oklch(65.9% 0.187 136.4);

Tailwind

colors: {
  custom: {
    50: '#8ec466',
    500: '#55aa1b',
    950: '#000000',
  },
}

SCSS

$custom: #55aa1b;
$custom-light: #8ec466;
$custom-dark: #000000;

JSON

{
  "hex": "#55aa1b",
  "rgb": {
    "r": 85,
    "g": 170,
    "b": 27
  },
  "hsl": {
    "h": 95.664,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.6589,
    "c": 0.18741,
    "h": 136.4
  },
  "luminance": 0.3076
}

Semantic roles & 50–950 ramp

primary

#55AA1B

secondary

#9B58C9

accent

#39EFA5

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55AA1B

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

Preview Lab → · Contrast checker → · Palette generator →