#557F23#557F23

#557F23 is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.6% C 0.129 H 131.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#557F23
RGB	rgb(85, 127, 35)
HSL	hsl(87, 57%, 32%)
HSV	hsv(87, 72%, 50%)
CMYK	cmyk(33.1%, 0%, 72.4%, 50.2%)
CIE-LAB	lab(48.55, -29.94, 43.17)
CIE-LCH	lch(48.55, 52.54, 124.74°)
OKLab	oklab(54.64% -0.0846 0.0975)
OKLCH	oklch(54.64% 0.129 131)
XYZ	xyz(11.6390, 17.2310, 4.3025)
Luminance	0.1723 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557F23 #4D237F

analogous

#7F7B23 #557F23 #277F23

triadic

#557F23 #23557F #7F2355

tetradic

#557F23 #237F7B #4D237F #7F2327

square

#557F23 #237F7B #4D237F #7F2327

split-complementary

#557F23 #23277F #7B237F

monochromatic

#151F09 #354F16 #557F23 #75AF30 #94CE4E

Accessibility & contrast

On white

4.72

#557F23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#557F23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557F23

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557F23	#FFFFFF	#000000	##FFFFFF
##557F23	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857514

Deuteranopia (green-blind)

#7F722B

Tritanopia (blue-blind)

#57796D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #557f23;
/* rgb */ color: rgb(85, 127, 35);
/* oklch */ color: oklch(54.6% 0.129 131.0);

Tailwind

colors: {
  custom: {
    50: '#88a464',
    500: '#557f23',
    950: '#000000',
  },
}

SCSS

$custom: #557f23;
$custom-light: #88a464;
$custom-dark: #000000;

JSON

{
  "hex": "#557f23",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 35
  },
  "hsl": {
    "h": 87.391,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54635,
    "c": 0.12912,
    "h": 131
  },
  "luminance": 0.17231
}

Semantic roles & 50–950 ramp

primary

#557F23

secondary

#7B4CB1

accent

#48E08D

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #557F23

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

Preview Lab → · Contrast checker → · Palette generator →