#55AA21#55AA21

#55AA21 is a light, vivid yellow-green. Relative luminance 0.308; OKLCH L 65.9% C 0.185 H 136.8°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#55AA21
RGB	rgb(85, 170, 33)
HSL	hsl(97, 67%, 40%)
HSV	hsv(97, 81%, 67%)
CMYK	cmyk(50%, 0%, 80.6%, 33.3%)
CIE-LAB	lab(62.33, -48.41, 57.24)
CIE-LCH	lch(62.33, 74.97, 130.22°)
OKLab	oklab(65.92% -0.1347 0.1267)
OKLCH	oklch(65.92% 0.185 136.8)
XYZ	xyz(18.3950, 30.7893, 6.4122)
Luminance	0.3079 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55AA21 #7621AA

analogous

#9AAA21 #55AA21 #21AA31

triadic

#55AA21 #2155AA #AA2155

tetradic

#55AA21 #219AAA #7621AA #AA3121

square

#55AA21 #219AAA #7621AA #AA3121

split-complementary

#55AA21 #3121AA #AA219A

monochromatic

#22430D #3B7717 #55AA21 #70D731 #94E164

Accessibility & contrast

On white

2.93

#55AA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#55AA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55AA21

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55AA21	#FFFFFF	#000000	##000000
##55AA21	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A59431

Tritanopia (blue-blind)

#50A491

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #55aa21;
/* rgb */ color: rgb(85, 170, 33);
/* oklch */ color: oklch(65.9% 0.185 136.8);

Tailwind

colors: {
  custom: {
    50: '#8dc469',
    500: '#55aa21',
    950: '#000000',
  },
}

SCSS

$custom: #55aa21;
$custom-light: #8dc469;
$custom-dark: #000000;

JSON

{
  "hex": "#55aa21",
  "rgb": {
    "r": 85,
    "g": 170,
    "b": 33
  },
  "hsl": {
    "h": 97.226,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.6592,
    "c": 0.18486,
    "h": 136.8
  },
  "luminance": 0.30791
}

Semantic roles & 50–950 ramp

primary

#55AA21

secondary

#A061C6

accent

#3DEAA9

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55AA21

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

Preview Lab → · Contrast checker → · Palette generator →