#557B1D#557B1D

#557B1D is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.5% C 0.128 H 129.4°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#557B1D
RGB	rgb(85, 123, 29)
HSL	hsl(84, 62%, 30%)
HSV	hsv(84, 76%, 48%)
CMYK	cmyk(30.9%, 0%, 76.4%, 51.8%)
CIE-LAB	lab(47.22, -28.45, 44.19)
CIE-LCH	lch(47.22, 52.56, 122.77°)
OKLab	oklab(53.54% -0.0811 0.0987)
OKLCH	oklch(53.54% 0.128 129.4)
XYZ	xyz(11.0510, 16.1856, 3.7041)
Luminance	0.1619 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B1D #431D7B

analogous

#7B721D #557B1D #267B1D

triadic

#557B1D #1D557B #7B1D55

tetradic

#557B1D #1D7B72 #431D7B #7B1D26

square

#557B1D #1D7B72 #431D7B #7B1D26

split-complementary

#557B1D #1D267B #721D7B

monochromatic

#111906 #334911 #557B1D #77AD29 #97D240

Accessibility & contrast

On white

4.96

#557B1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#557B1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B1D

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B1D	#FFFFFF	#000000	##FFFFFF
##557B1D	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)

#81720A

Deuteranopia (green-blind)

#7C6F26

Tritanopia (blue-blind)

#587569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #557b1d;
/* rgb */ color: rgb(85, 123, 29);
/* oklch */ color: oklch(53.5% 0.128 129.4);

Tailwind

colors: {
  custom: {
    50: '#88a160',
    500: '#557b1d',
    950: '#000000',
  },
}

SCSS

$custom: #557b1d;
$custom-light: #88a160;
$custom-dark: #000000;

JSON

{
  "hex": "#557b1d",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 29
  },
  "hsl": {
    "h": 84.255,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.53537,
    "c": 0.12773,
    "h": 129.4
  },
  "luminance": 0.16186
}

Semantic roles & 50–950 ramp

primary

#557B1D

secondary

#7045AF

accent

#43E584

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #557B1D

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

Preview Lab → · Contrast checker → · Palette generator →