#288C4E#288C4E

#288C4E is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.8% C 0.131 H 151.9°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#288C4E
RGB	rgb(40, 140, 78)
HSL	hsl(143, 56%, 35%)
HSV	hsv(143, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 44.3%, 45.1%)
CIE-LAB	lab(51.56, -43.00, 25.04)
CIE-LCH	lch(51.56, 49.76, 149.79°)
OKLab	oklab(56.78% -0.1159 0.0618)
OKLCH	oklch(56.78% 0.131 151.9)
XYZ	xyz(11.6273, 19.7561, 10.4068)
Luminance	0.1976 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C4E #8C2866

analogous

#348C28 #288C4E #288C80

triadic

#288C4E #4E288C #8C4E28

tetradic

#288C4E #28348C #8C2866 #8C8028

square

#288C4E #28348C #8C2866 #8C8028

split-complementary

#288C4E #80288C #8C2834

monochromatic

#0D2D19 #1A5C33 #288C4E #36BC69 #5ED189

Accessibility & contrast

On white

4.24

#288C4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#288C4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C4E

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C4E	#FFFFFF	#000000	##000000
##288C4E	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8049

Deuteranopia (green-blind)

#807752

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c4e;
/* rgb */ color: rgb(40, 140, 78);
/* oklch */ color: oklch(56.8% 0.131 151.9);

Tailwind

colors: {
  custom: {
    50: '#70ae80',
    500: '#288c4e',
    950: '#000000',
  },
}

SCSS

$custom: #288c4e;
$custom-light: #70ae80;
$custom-dark: #000000;

JSON

{
  "hex": "#288c4e",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 78
  },
  "hsl": {
    "h": 142.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56781,
    "c": 0.13134,
    "h": 151.9
  },
  "luminance": 0.19757
}

Semantic roles & 50–950 ramp

primary

#288C4E

secondary

#B65A93

accent

#49A6DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288C4E

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

Preview Lab → · Contrast checker → · Palette generator →