#55B423#55B423

#55B423 is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 68.5% C 0.196 H 137.6°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#55B423
RGB	rgb(85, 180, 35)
HSL	hsl(99, 67%, 42%)
HSV	hsv(99, 81%, 71%)
CMYK	cmyk(52.8%, 0%, 80.6%, 29.4%)
CIE-LAB	lab(65.51, -52.11, 59.61)
CIE-LCH	lch(65.51, 79.18, 131.16°)
OKLab	oklab(68.54% -0.1445 0.1319)
OKLCH	oklch(68.54% 0.196 137.6)
XYZ	xyz(20.3703, 34.6936, 7.2129)
Luminance	0.3469 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B423 #8223B4

analogous

#9EB423 #55B423 #23B439

triadic

#55B423 #2355B4 #B42355

tetradic

#55B423 #239EB4 #8223B4 #B43923

square

#55B423 #239EB4 #8223B4 #B43923

split-complementary

#55B423 #3923B4 #B4239E

monochromatic

#254E0F #3D8119 #55B423 #72D93B #97E36E

Accessibility & contrast

On white

2.65

#55B423 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#55B423 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B423

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B423	#FFFFFF	#000000	##000000
##55B423	1.00	2.65	7.94	7.94
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#AE9C34

Tritanopia (blue-blind)

#4EAD9A

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #55b423;
/* rgb */ color: rgb(85, 180, 35);
/* oklch */ color: oklch(68.5% 0.196 137.6);

Tailwind

colors: {
  custom: {
    50: '#8fcb6b',
    500: '#55b423',
    950: '#000000',
  },
}

SCSS

$custom: #55b423;
$custom-light: #8fcb6b;
$custom-dark: #000000;

JSON

{
  "hex": "#55b423",
  "rgb": {
    "r": 85,
    "g": 180,
    "b": 35
  },
  "hsl": {
    "h": 99.31,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.68542,
    "c": 0.19565,
    "h": 137.6
  },
  "luminance": 0.34695
}

Semantic roles & 50–950 ramp

primary

#55B423

secondary

#A869C9

accent

#3DEAAF

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55B423

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

Preview Lab → · Contrast checker → · Palette generator →