#66901F#66901F

#66901F is a mid, vivid yellow-green. Relative luminance 0.229; OKLCH L 60.1% C 0.145 H 128.5°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#66901F
RGB	rgb(102, 144, 31)
HSL	hsl(82, 65%, 34%)
HSV	hsv(82, 78%, 56%)
CMYK	cmyk(29.2%, 0%, 78.5%, 43.5%)
CIE-LAB	lab(54.94, -31.43, 51.25)
CIE-LCH	lch(54.94, 60.12, 121.52°)
OKLab	oklab(60.09% -0.0901 0.1134)
OKLCH	oklch(60.09% 0.145 128.5)
XYZ	xyz(15.7001, 22.8698, 4.8832)
Luminance	0.2287 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66901F #491F90

analogous

#90821F #66901F #2E901F

triadic

#66901F #1F6690 #901F66

tetradic

#66901F #1F9082 #491F90 #901F2E

square

#66901F #1F9082 #491F90 #901F2E

split-complementary

#66901F #1F2E90 #821F90

monochromatic

#1F2B09 #425E14 #66901F #8AC22A #A6D950

Accessibility & contrast

On white

3.77

#66901F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#66901F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66901F

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66901F	#FFFFFF	#000000	##000000
##66901F	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)

#978502

Deuteranopia (green-blind)

#92832B

Tritanopia (blue-blind)

#6A897B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #66901f;
/* rgb */ color: rgb(102, 144, 31);
/* oklch */ color: oklch(60.1% 0.145 128.5);

Tailwind

colors: {
  custom: {
    50: '#96b064',
    500: '#66901f',
    950: '#000000',
  },
}

SCSS

$custom: #66901f;
$custom-light: #96b064;
$custom-dark: #000000;

JSON

{
  "hex": "#66901f",
  "rgb": {
    "r": 102,
    "g": 144,
    "b": 31
  },
  "hsl": {
    "h": 82.301,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.60093,
    "c": 0.14486,
    "h": 128.5
  },
  "luminance": 0.2287
}

Semantic roles & 50–950 ramp

primary

#66901F

secondary

#774EBC

accent

#40E87E

background

#F9FAF6

surface

#F2F5EB

border

#CCCFC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #66901F

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

Preview Lab → · Contrast checker → · Palette generator →