#557B15#557B15

#557B15 is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.5% C 0.132 H 128.8°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#557B15
RGB	rgb(85, 123, 21)
HSL	hsl(82, 71%, 28%)
HSV	hsv(82, 83%, 48%)
CMYK	cmyk(30.9%, 0%, 82.9%, 51.8%)
CIE-LAB	lab(47.17, -28.89, 46.88)
CIE-LCH	lch(47.17, 55.07, 121.64°)
OKLab	oklab(53.49% -0.0829 0.103)
OKLCH	oklch(53.49% 0.132 128.8)
XYZ	xyz(10.9646, 16.1511, 3.2491)
Luminance	0.1615 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B15 #3B157B

analogous

#7B6E15 #557B15 #227B15

triadic

#557B15 #15557B #7B1555

tetradic

#557B15 #157B6E #3B157B #7B1522

square

#557B15 #157B6E #3B157B #7B1522

split-complementary

#557B15 #15227B #6E157B

monochromatic

#121A04 #31470C #557B15 #79AF1E #9BDB2F

Accessibility & contrast

On white

4.96

#557B15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#557B15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B15

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B15	#FFFFFF	#000000	##FFFFFF
##557B15	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817200

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#587568

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #557b15;
/* rgb */ color: rgb(85, 123, 21);
/* oklch */ color: oklch(53.5% 0.132 128.8);

Tailwind

colors: {
  custom: {
    50: '#89a15d',
    500: '#557b15',
    950: '#000000',
  },
}

SCSS

$custom: #557b15;
$custom-light: #89a15d;
$custom-dark: #000000;

JSON

{
  "hex": "#557b15",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 21
  },
  "hsl": {
    "h": 82.353,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.53486,
    "c": 0.13222,
    "h": 128.8
  },
  "luminance": 0.16151
}

Semantic roles & 50–950 ramp

primary

#557B15

secondary

#673BB0

accent

#3AEE7D

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #557B15

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

Preview Lab → · Contrast checker → · Palette generator →