#557E10#557E10

#557E10 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.3% C 0.138 H 129.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#557E10
RGB	rgb(85, 126, 16)
HSL	hsl(82, 77%, 28%)
HSV	hsv(82, 87%, 49%)
CMYK	cmyk(32.5%, 0%, 87.3%, 50.6%)
CIE-LAB	lab(48.12, -30.52, 49.13)
CIE-LCH	lch(48.12, 57.84, 121.85°)
OKLab	oklab(54.25% -0.0876 0.1069)
OKLCH	oklch(54.25% 0.138 129.3)
XYZ	xyz(11.3007, 16.8901, 3.1548)
Luminance	0.1689 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557E10 #39107E

analogous

#7E7010 #557E10 #1E7E10

triadic

#557E10 #10557E #7E1055

tetradic

#557E10 #107E70 #39107E #7E101E

square

#557E10 #107E70 #39107E #7E101E

split-complementary

#557E10 #101E7E #70107E

monochromatic

#121B03 #304809 #557E10 #7AB417 #9CE325

Accessibility & contrast

On white

4.80

#557E10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#557E10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557E10

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557E10	#FFFFFF	#000000	##FFFFFF
##557E10	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7F711E

Tritanopia (blue-blind)

#58786B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557e10;
/* rgb */ color: rgb(85, 126, 16);
/* oklch */ color: oklch(54.3% 0.138 129.3);

Tailwind

colors: {
  custom: {
    50: '#89a35b',
    500: '#557e10',
    950: '#000000',
  },
}

SCSS

$custom: #557e10;
$custom-light: #89a35b;
$custom-dark: #000000;

JSON

{
  "hex": "#557e10",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 16
  },
  "hsl": {
    "h": 82.364,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.54252,
    "c": 0.13825,
    "h": 129.3
  },
  "luminance": 0.1689
}

Semantic roles & 50–950 ramp

primary

#557E10

secondary

#6536B4

accent

#34F47B

background

#F8FAF5

surface

#F0F4E9

border

#CBCEC5

text

#0C0F04

muted

#7D7F79

Preview Lab

Preview with #557E10

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

Preview Lab → · Contrast checker → · Palette generator →