#557D1B#557D1B

#557D1B is a mid, vivid yellow-green. Relative luminance 0.167; OKLCH L 54.0% C 0.132 H 129.8°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#557D1B
RGB	rgb(85, 125, 27)
HSL	hsl(84, 64%, 30%)
HSV	hsv(84, 78%, 49%)
CMYK	cmyk(32%, 0%, 78.4%, 51%)
CIE-LAB	lab(47.85, -29.52, 45.53)
CIE-LCH	lch(47.85, 54.27, 122.96°)
OKLab	oklab(54.05% -0.0842 0.1012)
OKLCH	oklch(54.05% 0.132 129.8)
XYZ	xyz(11.2777, 16.6773, 3.6615)
Luminance	0.1668 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557D1B #431B7D

analogous

#7D741B #557D1B #247D1B

triadic

#557D1B #1B557D #7D1B55

tetradic

#557D1B #1B7D74 #431B7D #7D1B24

square

#557D1B #1B7D74 #431B7D #7D1B24

split-complementary

#557D1B #1B247D #741B7D

monochromatic

#111905 #334B10 #557D1B #77AF26 #97D53D

Accessibility & contrast

On white

4.84

#557D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#557D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557D1B

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557D1B	#FFFFFF	#000000	##FFFFFF
##557D1B	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837304

Deuteranopia (green-blind)

#7E7125

Tritanopia (blue-blind)

#57776A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557d1b;
/* rgb */ color: rgb(85, 125, 27);
/* oklch */ color: oklch(54.0% 0.132 129.8);

Tailwind

colors: {
  custom: {
    50: '#89a360',
    500: '#557d1b',
    950: '#000000',
  },
}

SCSS

$custom: #557d1b;
$custom-light: #89a360;
$custom-dark: #000000;

JSON

{
  "hex": "#557d1b",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 27
  },
  "hsl": {
    "h": 84.49,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.54049,
    "c": 0.13161,
    "h": 129.8
  },
  "luminance": 0.16678
}

Semantic roles & 50–950 ramp

primary

#557D1B

secondary

#7043B1

accent

#40E785

background

#F8FAF5

surface

#F0F3EA

border

#CBCDC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #557D1B

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

Preview Lab → · Contrast checker → · Palette generator →