#28663B#28663B

#28663B is a mid, moderate green. Relative luminance 0.103; OKLCH L 45.8% C 0.095 H 151.0°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#28663B
RGB	rgb(40, 102, 59)
HSL	hsl(138, 44%, 28%)
HSV	hsv(138, 61%, 40%)
CMYK	cmyk(60.8%, 0%, 42.2%, 60%)
CIE-LAB	lab(38.32, -30.56, 18.49)
CIE-LCH	lch(38.32, 35.72, 148.83°)
OKLab	oklab(45.78% -0.0828 0.0459)
OKLCH	oklch(45.78% 0.095 151)
XYZ	xyz(6.4154, 10.2690, 5.7809)
Luminance	0.1027 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28663B #662853

analogous

#346628 #28663B #28665A

triadic

#28663B #3B2866 #663B28

tetradic

#28663B #283466 #662853 #665A28

square

#28663B #283466 #662853 #665A28

split-complementary

#28663B #5A2866 #662834

monochromatic

#09160D #173A22 #28663B #399254 #4FBA6F

Accessibility & contrast

On white

6.88

#28663B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#28663B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28663B

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28663B	#FFFFFF	#000000	##FFFFFF
##28663B	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E38

Deuteranopia (green-blind)

#5E583E

Tritanopia (blue-blind)

#17645B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #28663b;
/* rgb */ color: rgb(40, 102, 59);
/* oklch */ color: oklch(45.8% 0.095 151.0);

Tailwind

colors: {
  custom: {
    50: '#689271',
    500: '#28663b',
    950: '#000000',
  },
}

SCSS

$custom: #28663b;
$custom-light: #689271;
$custom-dark: #000000;

JSON

{
  "hex": "#28663b",
  "rgb": {
    "r": 40,
    "g": 102,
    "b": 59
  },
  "hsl": {
    "h": 138.387,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.45779,
    "c": 0.09466,
    "h": 151
  },
  "luminance": 0.1027
}

Semantic roles & 50–950 ramp

primary

#28663B

secondary

#995183

accent

#54ACD3

background

#F6F9F6

surface

#EBF1EC

border

#C6CBC7

text

#070D07

muted

#7A7E7A

Preview Lab

Preview with #28663B

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

Preview Lab → · Contrast checker → · Palette generator →