#557C15#557C15

#557C15 is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 53.7% C 0.134 H 129.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#557C15
RGB	rgb(85, 124, 21)
HSL	hsl(83, 71%, 28%)
HSV	hsv(83, 83%, 49%)
CMYK	cmyk(31.5%, 0%, 83.1%, 51.4%)
CIE-LAB	lab(47.50, -29.37, 47.18)
CIE-LCH	lch(47.50, 55.57, 121.90°)
OKLab	oklab(53.75% -0.0842 0.1036)
OKLCH	oklch(53.75% 0.134 129.1)
XYZ	xyz(11.0893, 16.4004, 3.2907)
Luminance	0.1640 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557C15 #3C157C

analogous

#7C6F15 #557C15 #227C15

triadic

#557C15 #15557C #7C1555

tetradic

#557C15 #157C6F #3C157C #7C1522

square

#557C15 #157C6F #3C157C #7C1522

split-complementary

#557C15 #15227C #6F157C

monochromatic

#121A04 #31480C #557C15 #79B01E #9BDC30

Accessibility & contrast

On white

4.91

#557C15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#557C15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557C15

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557C15	#FFFFFF	#000000	##FFFFFF
##557C15	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827200

Deuteranopia (green-blind)

#7D7021

Tritanopia (blue-blind)

#587669

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #557c15;
/* rgb */ color: rgb(85, 124, 21);
/* oklch */ color: oklch(53.7% 0.134 129.1);

Tailwind

colors: {
  custom: {
    50: '#89a25d',
    500: '#557c15',
    950: '#000000',
  },
}

SCSS

$custom: #557c15;
$custom-light: #89a25d;
$custom-dark: #000000;

JSON

{
  "hex": "#557c15",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 21
  },
  "hsl": {
    "h": 82.718,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.53749,
    "c": 0.13351,
    "h": 129.1
  },
  "luminance": 0.16401
}

Semantic roles & 50–950 ramp

primary

#557C15

secondary

#683CB1

accent

#3AEE7E

background

#F8FAF5

surface

#F0F3E9

border

#CBCDC5

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #557C15

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

Preview Lab → · Contrast checker → · Palette generator →