#638312#638312

#638312 is a mid, vivid yellow-green. Relative luminance 0.189; OKLCH L 56.5% C 0.136 H 125.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#638312
RGB	rgb(99, 131, 18)
HSL	hsl(77, 76%, 29%)
HSV	hsv(77, 86%, 51%)
CMYK	cmyk(24.4%, 0%, 86.3%, 48.6%)
CIE-LAB	lab(50.60, -27.04, 51.11)
CIE-LCH	lch(50.60, 57.83, 117.88°)
OKLab	oklab(56.5% -0.0789 0.1111)
OKLCH	oklch(56.5% 0.136 125.4)
XYZ	xyz(13.3712, 18.9287, 3.5213)
Luminance	0.1893 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638312 #321283

analogous

#836B12 #638312 #2B8312

triadic

#638312 #126383 #831263

tetradic

#638312 #12836B #321283 #83122B

square

#638312 #12836B #321283 #83122B

split-complementary

#638312 #122B83 #6B1283

monochromatic

#141B04 #3A4D0B #638312 #8CB919 #AFE22D

Accessibility & contrast

On white

4.39

#638312 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#638312 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638312

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638312	#FFFFFF	#000000	##000000
##638312	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A00

Deuteranopia (green-blind)

#867820

Tritanopia (blue-blind)

#687C6F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #638312;
/* rgb */ color: rgb(99, 131, 18);
/* oklch */ color: oklch(56.5% 0.136 125.4);

Tailwind

colors: {
  custom: {
    50: '#93a75d',
    500: '#638312',
    950: '#000000',
  },
}

SCSS

$custom: #638312;
$custom-light: #93a75d;
$custom-dark: #000000;

JSON

{
  "hex": "#638312",
  "rgb": {
    "r": 99,
    "g": 131,
    "b": 18
  },
  "hsl": {
    "h": 76.991,
    "s": 75.839,
    "l": 29.216
  },
  "oklch": {
    "l": 0.56503,
    "c": 0.13626,
    "h": 125.4
  },
  "luminance": 0.18929
}

Semantic roles & 50–950 ramp

primary

#638312

secondary

#5D38B8

accent

#35F26B

background

#F9FAF5

surface

#F2F4E9

border

#CCCEC5

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #638312

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

Preview Lab → · Contrast checker → · Palette generator →