#858B1B#858B1B

#858B1B is a mid, vivid yellow. Relative luminance 0.235; OKLCH L 61.2% C 0.127 H 112.8°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#858B1B
RGB	rgb(133, 139, 27)
HSL	hsl(63, 67%, 33%)
HSV	hsv(63, 81%, 55%)
CMYK	cmyk(4.3%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(55.62, -15.80, 53.96)
CIE-LCH	lch(55.62, 56.22, 106.32°)
OKLab	oklab(61.2% -0.0494 0.1175)
OKLCH	oklch(61.2% 0.127 112.8)
XYZ	xyz(19.1040, 23.5314, 4.5724)
Luminance	0.2353 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#858B1B #211B8B

analogous

#8B591B #858B1B #4D8B1B

triadic

#858B1B #1B858B #8B1B85

tetradic

#858B1B #1B8B59 #211B8B #8B1B4D

square

#858B1B #1B8B59 #211B8B #8B1B4D

split-complementary

#858B1B #1B4D8B #591B8B

monochromatic

#232507 #545811 #858B1B #B6BE25 #D3DB45

Accessibility & contrast

On white

3.68

#858B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#858B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #858B1B

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##858B1B	#FFFFFF	#000000	##000000
##858B1B	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#968625

Tritanopia (blue-blind)

#8F8277

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #858b1b;
/* rgb */ color: rgb(133, 139, 27);
/* oklch */ color: oklch(61.2% 0.127 112.8);

Tailwind

colors: {
  custom: {
    50: '#acac63',
    500: '#858b1b',
    950: '#000000',
  },
}

SCSS

$custom: #858b1b;
$custom-light: #acac63;
$custom-dark: #000000;

JSON

{
  "hex": "#858b1b",
  "rgb": {
    "r": 133,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 63.214,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.61197,
    "c": 0.12742,
    "h": 112.8
  },
  "luminance": 0.23531
}

Semantic roles & 50–950 ramp

primary

#858B1B

secondary

#4C45BC

accent

#3DEA47

background

#FBFAF6

surface

#F6F4EB

border

#D0CEC6

text

#111006

muted

#807F7A

Preview Lab

Preview with #858B1B

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

Preview Lab → · Contrast checker → · Palette generator →