#557B1F#557B1F

#557B1F is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.6% C 0.126 H 129.6°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#557B1F
RGB	rgb(85, 123, 31)
HSL	hsl(85, 60%, 30%)
HSV	hsv(85, 75%, 48%)
CMYK	cmyk(30.9%, 0%, 74.8%, 51.8%)
CIE-LAB	lab(47.23, -28.32, 43.44)
CIE-LCH	lch(47.23, 51.85, 123.10°)
OKLab	oklab(53.55% -0.0806 0.0974)
OKLCH	oklch(53.55% 0.126 129.6)
XYZ	xyz(11.0765, 16.1958, 3.8386)
Luminance	0.1620 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B1F #451F7B

analogous

#7B731F #557B1F #277B1F

triadic

#557B1F #1F557B #7B1F55

tetradic

#557B1F #1F7B73 #451F7B #7B1F27

square

#557B1F #1F7B73 #451F7B #7B1F27

split-complementary

#557B1F #1F277B #731F7B

monochromatic

#111906 #334A13 #557B1F #77AC2B #96D044

Accessibility & contrast

On white

4.95

#557B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#557B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B1F

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B1F	#FFFFFF	#000000	##FFFFFF
##557B1F	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#81720E

Deuteranopia (green-blind)

#7C6F27

Tritanopia (blue-blind)

#577569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #557b1f;
/* rgb */ color: rgb(85, 123, 31);
/* oklch */ color: oklch(53.6% 0.126 129.6);

Tailwind

colors: {
  custom: {
    50: '#88a161',
    500: '#557b1f',
    950: '#000000',
  },
}

SCSS

$custom: #557b1f;
$custom-light: #88a161;
$custom-dark: #000000;

JSON

{
  "hex": "#557b1f",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 31
  },
  "hsl": {
    "h": 84.783,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.53552,
    "c": 0.12644,
    "h": 129.6
  },
  "luminance": 0.16196
}

Semantic roles & 50–950 ramp

primary

#557B1F

secondary

#7248AE

accent

#45E386

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0F05

muted

#7D7E7A

Preview Lab

Preview with #557B1F

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

Preview Lab → · Contrast checker → · Palette generator →