#66901D#66901D

#66901D is a mid, vivid yellow-green. Relative luminance 0.229; OKLCH L 60.1% C 0.146 H 128.3°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#66901D
RGB	rgb(102, 144, 29)
HSL	hsl(82, 66%, 34%)
HSV	hsv(82, 80%, 56%)
CMYK	cmyk(29.2%, 0%, 79.9%, 43.5%)
CIE-LAB	lab(54.93, -31.53, 51.89)
CIE-LCH	lch(54.93, 60.72, 121.28°)
OKLab	oklab(60.08% -0.0905 0.1144)
OKLCH	oklch(60.08% 0.146 128.3)
XYZ	xyz(15.6745, 22.8596, 4.7487)
Luminance	0.2286 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66901D #471D90

analogous

#90811D #66901D #2D901D

triadic

#66901D #1D6690 #901D66

tetradic

#66901D #1D9081 #471D90 #901D2D

square

#66901D #1D9081 #471D90 #901D2D

split-complementary

#66901D #1D2D90 #811D90

monochromatic

#1E2A08 #425D13 #66901D #8AC327 #A7DB4C

Accessibility & contrast

On white

3.77

#66901D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#66901D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66901D

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66901D	#FFFFFF	#000000	##000000
##66901D	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978500

Deuteranopia (green-blind)

#928329

Tritanopia (blue-blind)

#6A897B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #66901d;
/* rgb */ color: rgb(102, 144, 29);
/* oklch */ color: oklch(60.1% 0.146 128.3);

Tailwind

colors: {
  custom: {
    50: '#96b063',
    500: '#66901d',
    950: '#000000',
  },
}

SCSS

$custom: #66901d;
$custom-light: #96b063;
$custom-dark: #000000;

JSON

{
  "hex": "#66901d",
  "rgb": {
    "r": 102,
    "g": 144,
    "b": 29
  },
  "hsl": {
    "h": 81.913,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.60081,
    "c": 0.14592,
    "h": 128.3
  },
  "luminance": 0.2286
}

Semantic roles & 50–950 ramp

primary

#66901D

secondary

#754BBD

accent

#3EE97D

background

#F9FAF6

surface

#F2F5EB

border

#CCCFC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #66901D

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

Preview Lab → · Contrast checker → · Palette generator →