#657D18#657D18

#657D18 is a mid, vivid yellow-green. Relative luminance 0.175; OKLCH L 55.2% C 0.125 H 122.7°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#657D18
RGB	rgb(101, 125, 24)
HSL	hsl(74, 68%, 29%)
HSV	hsv(74, 81%, 49%)
CMYK	cmyk(19.2%, 0%, 80.8%, 51%)
CIE-LAB	lab(48.88, -22.95, 47.89)
CIE-LCH	lch(48.88, 53.11, 115.60°)
OKLab	oklab(55.15% -0.0675 0.1052)
OKLCH	oklch(55.15% 0.125 122.7)
XYZ	xyz(12.8655, 17.4998, 3.5640)
Luminance	0.1750 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657D18 #30187D

analogous

#7D6318 #657D18 #337D18

triadic

#657D18 #18657D #7D1865

tetradic

#657D18 #187D63 #30187D #7D1833

square

#657D18 #187D63 #30187D #7D1833

split-complementary

#657D18 #18337D #63187D

monochromatic

#151A05 #3C4A0E #657D18 #8EB022 #B2D937

Accessibility & contrast

On white

4.67

#657D18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#657D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #657D18

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657D18	#FFFFFF	#000000	##FFFFFF
##657D18	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857500

Deuteranopia (green-blind)

#827422

Tritanopia (blue-blind)

#6B766A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #657d18;
/* rgb */ color: rgb(101, 125, 24);
/* oklch */ color: oklch(55.2% 0.125 122.7);

Tailwind

colors: {
  custom: {
    50: '#94a25f',
    500: '#657d18',
    950: '#000000',
  },
}

SCSS

$custom: #657d18;
$custom-light: #94a25f;
$custom-dark: #000000;

JSON

{
  "hex": "#657d18",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 24
  },
  "hsl": {
    "h": 74.257,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.55154,
    "c": 0.12497,
    "h": 122.7
  },
  "luminance": 0.175
}

Semantic roles & 50–950 ramp

primary

#657D18

secondary

#5A3FB2

accent

#3DEB66

background

#F9FAF5

surface

#F2F3EA

border

#CCCDC6

text

#0E0F05

muted

#7E7F79

Preview Lab

Preview with #657D18

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

Preview Lab → · Contrast checker → · Palette generator →