#637455#637455

#637455 is a mid, muted yellow-green. Relative luminance 0.158; OKLCH L 53.6% C 0.051 H 131.3°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#637455
RGB	rgb(99, 116, 85)
HSL	hsl(93, 15%, 39%)
HSV	hsv(93, 27%, 45%)
CMYK	cmyk(14.7%, 0%, 26.7%, 54.5%)
CIE-LAB	lab(46.71, -12.49, 15.10)
CIE-LCH	lch(46.71, 19.59, 129.59°)
OKLab	oklab(53.62% -0.0337 0.0383)
OKLCH	oklch(53.62% 0.051 131.3)
XYZ	xyz(13.0304, 15.7992, 10.9556)
Luminance	0.1580 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637455 #665574

analogous

#737455 #637455 #557457

triadic

#637455 #556374 #745563

tetradic

#637455 #557374 #665574 #745755

square

#637455 #557374 #665574 #745755

split-complementary

#637455 #575574 #745573

monochromatic

#272D21 #45513B #637455 #819670 #A0B093

Accessibility & contrast

On white

5.05

#637455 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#637455 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637455

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637455	#FFFFFF	#000000	##FFFFFF
##637455	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#777053

Deuteranopia (green-blind)

#746E56

Tritanopia (blue-blind)

#64716C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #637455;
/* rgb */ color: rgb(99, 116, 85);
/* oklch */ color: oklch(53.6% 0.051 131.3);

Tailwind

colors: {
  custom: {
    50: '#8f9c85',
    500: '#637455',
    950: '#000000',
  },
}

SCSS

$custom: #637455;
$custom-light: #8f9c85;
$custom-dark: #000000;

JSON

{
  "hex": "#637455",
  "rgb": {
    "r": 99,
    "g": 116,
    "b": 85
  },
  "hsl": {
    "h": 92.903,
    "s": 15.423,
    "l": 39.412
  },
  "oklch": {
    "l": 0.53615,
    "c": 0.05098,
    "h": 131.3
  },
  "luminance": 0.15799
}

Semantic roles & 50–950 ramp

primary

#637455

secondary

#94879E

accent

#70B897

background

#F8F9F8

surface

#F0F2EF

border

#CBCCCA

text

#0C0E0B

muted

#7D7E7C

Preview Lab

Preview with #637455

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

Preview Lab → · Contrast checker → · Palette generator →