#616B21#616B21

#616B21 is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.4% C 0.098 H 116.6°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#616B21
RGBrgb(97, 107, 33)
HSLhsl(68, 53%, 27%)
HSVhsv(68, 69%, 42%)
CMYKcmyk(9.3%, 0%, 69.2%, 58%)
CIE-LABlab(43.01, -14.74, 38.59)
CIE-LCHlch(43.01, 41.31, 110.91°)
OKLaboklab(50.37% -0.0437 0.0873)
OKLCHoklch(50.37% 0.098 116.6)
XYZxyz(10.4622, 13.1667, 3.4288)
Luminance0.1317 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#616B21 #2B216B
analogous
#6B5021 #616B21 #3C6B21
triadic
#616B21 #21616B #6B2161
tetradic
#616B21 #216B50 #2B216B #6B213C
square
#616B21 #216B50 #2B216B #6B213C
split-complementary
#616B21 #213C6B #50216B
monochromatic
#151707 #373C13 #616B21 #8B9A2F #B3C542

Accessibility & contrast

On white

5.78
#616B21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.63
#616B21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #616B21
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##616B21#FFFFFF#000000##FFFFFF
##616B211.005.783.635.78
#FFFFFF5.781.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#726517
Deuteranopia (green-blind)
#726626
Tritanopia (blue-blind)
#67655C
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #616b21;
/* rgb */ color: rgb(97, 107, 33);
/* oklch */ color: oklch(50.4% 0.098 116.6);
Tailwind
colors: {
  custom: {
    50: '#909561',
    500: '#616b21',
    950: '#000000',
  },
}
SCSS
$custom: #616b21;
$custom-light: #909561;
$custom-dark: #000000;
JSON
{
  "hex": "#616b21",
  "rgb": {
    "r": 97,
    "g": 107,
    "b": 33
  },
  "hsl": {
    "h": 68.108,
    "s": 52.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.50367,
    "c": 0.09764,
    "h": 116.6
  },
  "luminance": 0.13167
}

Semantic roles & 50–950 ramp

primary
#616B21
secondary
#55499F
accent
#4CDC5F
background
#F9F9F5
surface
#F1F1EA
border
#CBCBC6
text
#0D0D05
muted
#7E7E79

Preview Lab

Preview with #616B21

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

Preview Lab → · Contrast checker → · Palette generator →

#616B21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva