#638034#638034

#638034 is a mid, moderate yellow-green. Relative luminance 0.183; OKLCH L 56.0% C 0.109 H 127.1°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#638034
RGB	rgb(99, 128, 52)
HSL	hsl(83, 42%, 35%)
HSV	hsv(83, 59%, 50%)
CMYK	cmyk(22.7%, 0%, 59.4%, 49.8%)
CIE-LAB	lab(49.90, -23.29, 37.19)
CIE-LCH	lch(49.90, 43.89, 122.06°)
OKLab	oklab(56.02% -0.0657 0.0869)
OKLCH	oklch(56.02% 0.109 127.1)
XYZ	xyz(13.4846, 18.3387, 6.0774)
Luminance	0.1834 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638034 #513480

analogous

#807734 #638034 #3D8034

triadic

#638034 #346380 #803463

tetradic

#638034 #348077 #513480 #80343D

square

#638034 #348077 #513480 #80343D

split-complementary

#638034 #343D80 #773480

monochromatic

#202911 #415422 #638034 #85AC46 #A2C36B

Accessibility & contrast

On white

4.50

#638034 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#638034 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638034

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638034	#FFFFFF	#000000	##000000
##638034	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86782C

Deuteranopia (green-blind)

#827639

Tritanopia (blue-blind)

#667A6F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #638034;
/* rgb */ color: rgb(99, 128, 52);
/* oklch */ color: oklch(56.0% 0.109 127.1);

Tailwind

colors: {
  custom: {
    50: '#91a56e',
    500: '#638034',
    950: '#000000',
  },
}

SCSS

$custom: #638034;
$custom-light: #91a56e;
$custom-dark: #000000;

JSON

{
  "hex": "#638034",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 52
  },
  "hsl": {
    "h": 82.895,
    "s": 42.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56015,
    "c": 0.10894,
    "h": 127.1
  },
  "luminance": 0.18339
}

Semantic roles & 50–950 ramp

primary

#638034

secondary

#8065AB

accent

#56D285

background

#F9FAF6

surface

#F1F4EC

border

#CBCEC7

text

#0D0F07

muted

#7E7F7A

Preview Lab

Preview with #638034

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

Preview Lab → · Contrast checker → · Palette generator →