#557E21#557E21

#557E21 is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.4% C 0.129 H 130.5°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#557E21
RGB	rgb(85, 126, 33)
HSL	hsl(86, 58%, 31%)
HSV	hsv(86, 74%, 49%)
CMYK	cmyk(32.5%, 0%, 73.8%, 50.6%)
CIE-LAB	lab(48.21, -29.61, 43.63)
CIE-LCH	lch(48.21, 52.73, 124.16°)
OKLab	oklab(54.36% -0.0839 0.0982)
OKLCH	oklch(54.36% 0.129 130.5)
XYZ	xyz(11.4816, 16.9624, 4.1077)
Luminance	0.1696 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557E21 #4A217E

analogous

#7E7821 #557E21 #267E21

triadic

#557E21 #21557E #7E2155

tetradic

#557E21 #217E78 #4A217E #7E2126

square

#557E21 #217E78 #4A217E #7E2126

split-complementary

#557E21 #21267E #78217E

monochromatic

#141D08 #344E14 #557E21 #76AE2E #95D04A

Accessibility & contrast

On white

4.78

#557E21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#557E21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557E21

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557E21	#FFFFFF	#000000	##FFFFFF
##557E21	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847411

Deuteranopia (green-blind)

#7E7129

Tritanopia (blue-blind)

#57786C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557e21;
/* rgb */ color: rgb(85, 126, 33);
/* oklch */ color: oklch(54.4% 0.129 130.5);

Tailwind

colors: {
  custom: {
    50: '#88a363',
    500: '#557e21',
    950: '#000000',
  },
}

SCSS

$custom: #557e21;
$custom-light: #88a363;
$custom-dark: #000000;

JSON

{
  "hex": "#557e21",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 33
  },
  "hsl": {
    "h": 86.452,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54356,
    "c": 0.12915,
    "h": 130.5
  },
  "luminance": 0.16963
}

Semantic roles & 50–950 ramp

primary

#557E21

secondary

#774AB1

accent

#46E28B

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #557E21

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

Preview Lab → · Contrast checker → · Palette generator →