#63891F#63891F

#63891F is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 58.1% C 0.137 H 127.8°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#63891F
RGB	rgb(99, 137, 31)
HSL	hsl(82, 63%, 33%)
HSV	hsv(82, 77%, 54%)
CMYK	cmyk(27.7%, 0%, 77.4%, 46.3%)
CIE-LAB	lab(52.56, -29.33, 48.92)
CIE-LCH	lch(52.56, 57.04, 120.94°)
OKLab	oklab(58.11% -0.0842 0.1086)
OKLCH	oklch(58.11% 0.137 127.8)
XYZ	xyz(14.3386, 20.6426, 4.5250)
Luminance	0.2064 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63891F #451F89

analogous

#897A1F #63891F #2E891F

triadic

#63891F #1F6389 #891F63

tetradic

#63891F #1F897A #451F89 #891F2E

square

#63891F #1F897A #451F89 #891F2E

split-complementary

#63891F #1F2E89 #7A1F89

monochromatic

#1B2508 #3F5714 #63891F #87BB2A #A5D64C

Accessibility & contrast

On white

4.09

#63891F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#63891F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63891F

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63891F	#FFFFFF	#000000	##000000
##63891F	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F06

Deuteranopia (green-blind)

#8B7D29

Tritanopia (blue-blind)

#678275

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #63891f;
/* rgb */ color: rgb(99, 137, 31);
/* oklch */ color: oklch(58.1% 0.137 127.8);

Tailwind

colors: {
  custom: {
    50: '#93ab63',
    500: '#63891f',
    950: '#000000',
  },
}

SCSS

$custom: #63891f;
$custom-light: #93ab63;
$custom-dark: #000000;

JSON

{
  "hex": "#63891f",
  "rgb": {
    "r": 99,
    "g": 137,
    "b": 31
  },
  "hsl": {
    "h": 81.509,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.58108,
    "c": 0.13744,
    "h": 127.8
  },
  "luminance": 0.20643
}

Semantic roles & 50–950 ramp

primary

#63891F

secondary

#724BB9

accent

#42E67D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #63891F

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

Preview Lab → · Contrast checker → · Palette generator →