#557B1C#557B1C

#557B1C is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.5% C 0.128 H 129.3°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#557B1C
RGB	rgb(85, 123, 28)
HSL	hsl(84, 63%, 30%)
HSV	hsv(84, 77%, 48%)
CMYK	cmyk(30.9%, 0%, 77.2%, 51.8%)
CIE-LAB	lab(47.21, -28.51, 44.56)
CIE-LCH	lch(47.21, 52.90, 122.62°)
OKLab	oklab(53.53% -0.0813 0.0993)
OKLCH	oklch(53.53% 0.128 129.3)
XYZ	xyz(11.0388, 16.1807, 3.6400)
Luminance	0.1618 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B1C #421C7B

analogous

#7B721C #557B1C #267B1C

triadic

#557B1C #1C557B #7B1C55

tetradic

#557B1C #1C7B72 #421C7B #7B1C26

square

#557B1C #1C7B72 #421C7B #7B1C26

split-complementary

#557B1C #1C267B #721C7B

monochromatic

#111906 #334911 #557B1C #77AD27 #98D33E

Accessibility & contrast

On white

4.96

#557B1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#557B1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B1C

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B1C	#FFFFFF	#000000	##FFFFFF
##557B1C	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817208

Deuteranopia (green-blind)

#7C6F25

Tritanopia (blue-blind)

#587569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #557b1c;
/* rgb */ color: rgb(85, 123, 28);
/* oklch */ color: oklch(53.5% 0.128 129.3);

Tailwind

colors: {
  custom: {
    50: '#88a160',
    500: '#557b1c',
    950: '#000000',
  },
}

SCSS

$custom: #557b1c;
$custom-light: #88a160;
$custom-dark: #000000;

JSON

{
  "hex": "#557b1c",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 28
  },
  "hsl": {
    "h": 84,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.53529,
    "c": 0.12835,
    "h": 129.3
  },
  "luminance": 0.16181
}

Semantic roles & 50–950 ramp

primary

#557B1C

secondary

#6F44AF

accent

#42E683

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #557B1C

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

Preview Lab → · Contrast checker → · Palette generator →