#288B4C#288B4C

#288B4C is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.5% C 0.132 H 151.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#288B4C
RGB	rgb(40, 139, 76)
HSL	hsl(142, 55%, 35%)
HSV	hsv(142, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 45.3%, 45.5%)
CIE-LAB	lab(51.19, -42.97, 25.66)
CIE-LCH	lch(51.19, 50.05, 149.16°)
OKLab	oklab(56.47% -0.1158 0.0632)
OKLCH	oklch(56.47% 0.132 151.4)
XYZ	xyz(11.4112, 19.4369, 9.9864)
Luminance	0.1944 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B4C #8B2867

analogous

#368B28 #288B4C #288B7D

triadic

#288B4C #4C288B #8B4C28

tetradic

#288B4C #28368B #8B2867 #8B7D28

square

#288B4C #28368B #8B2867 #8B7D28

split-complementary

#288B4C #7D288B #8B2836

monochromatic

#0D2C18 #1A5B32 #288B4C #36BB66 #5DD087

Accessibility & contrast

On white

4.30

#288B4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#288B4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B4C

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B4C	#FFFFFF	#000000	##000000
##288B4C	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F47

Deuteranopia (green-blind)

#7F7750

Tritanopia (blue-blind)

#00897C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b4c;
/* rgb */ color: rgb(40, 139, 76);
/* oklch */ color: oklch(56.5% 0.132 151.4);

Tailwind

colors: {
  custom: {
    50: '#70ae7f',
    500: '#288b4c',
    950: '#000000',
  },
}

SCSS

$custom: #288b4c;
$custom-light: #70ae7f;
$custom-dark: #000000;

JSON

{
  "hex": "#288b4c",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 76
  },
  "hsl": {
    "h": 141.818,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56468,
    "c": 0.13189,
    "h": 151.4
  },
  "luminance": 0.19438
}

Semantic roles & 50–950 ramp

primary

#288B4C

secondary

#B65994

accent

#49A8DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288B4C

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

Preview Lab → · Contrast checker → · Palette generator →