#688E21#688E21

#688E21 is a mid, vivid yellow-green. Relative luminance 0.224; OKLCH L 59.7% C 0.140 H 127.4°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#688E21
RGBrgb(104, 142, 33)
HSLhsl(81, 62%, 34%)
HSVhsv(81, 77%, 56%)
CMYKcmyk(26.8%, 0%, 76.8%, 44.3%)
CIE-LABlab(54.45, -29.56, 50.14)
CIE-LCHlch(54.45, 58.21, 120.52°)
OKLaboklab(59.73% -0.085 0.1114)
OKLCHoklch(59.73% 0.14 127.4)
XYZxyz(15.6565, 22.3985, 4.9370)
Luminance0.2240 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688E21 #47218E
analogous
#8E7E21 #688E21 #328E21
triadic
#688E21 #21688E #8E2168
tetradic
#688E21 #218E7E #47218E #8E2132
square
#688E21 #218E7E #47218E #8E2132
split-complementary
#688E21 #21328E #7E218E
monochromatic
#1F2B0A #445C15 #688E21 #8CC02D #A9D752

Accessibility & contrast

On white

3.83
#688E21 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.48
#688E21 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688E21
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688E21#FFFFFF#000000##000000
##688E211.003.835.485.48
#FFFFFF3.831.0021.0021.00
#0000005.4821.001.001.00
##0000005.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#958408
Deuteranopia (green-blind)
#90822C
Tritanopia (blue-blind)
#6C8779
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #688e21;
/* rgb */ color: rgb(104, 142, 33);
/* oklch */ color: oklch(59.7% 0.140 127.4);
Tailwind
colors: {
  custom: {
    50: '#97af65',
    500: '#688e21',
    950: '#000000',
  },
}
SCSS
$custom: #688e21;
$custom-light: #97af65;
$custom-dark: #000000;
JSON
{
  "hex": "#688e21",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 33
  },
  "hsl": {
    "h": 80.917,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.5973,
    "c": 0.14012,
    "h": 127.4
  },
  "luminance": 0.22399
}

Semantic roles & 50–950 ramp

primary
#688E21
secondary
#7550BA
accent
#42E57B
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0E1006
muted
#7E7F7A

Preview Lab

Preview with #688E21

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

Preview Lab → · Contrast checker → · Palette generator →

#688E21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva