#289D4B#289D4B

#289D4B is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.4% C 0.157 H 148.8°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#289D4B
RGB	rgb(40, 157, 75)
HSL	hsl(138, 59%, 39%)
HSV	hsv(138, 75%, 62%)
CMYK	cmyk(74.5%, 0%, 52.2%, 38.4%)
CIE-LAB	lab(57.14, -49.96, 33.69)
CIE-LCH	lch(57.14, 60.26, 146.01°)
OKLab	oklab(61.38% -0.1344 0.0814)
OKLCH	oklch(61.38% 0.157 148.8)
XYZ	xyz(14.2009, 25.0714, 10.7461)
Luminance	0.2507 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289D4B #9D287A

analogous

#3F9D28 #289D4B #289D85

triadic

#289D4B #4B289D #9D4B28

tetradic

#289D4B #283F9D #9D287A #9D8528

square

#289D4B #283F9D #9D287A #9D8528

split-complementary

#289D4B #85289D #9D283F

monochromatic

#0F3B1C #1C6C34 #289D4B #36CC63 #67D889

Accessibility & contrast

On white

3.49

#289D4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#289D4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289D4B

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289D4B	#FFFFFF	#000000	##000000
##289D4B	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8F44

Deuteranopia (green-blind)

#918551

Tritanopia (blue-blind)

#009A8A

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #289d4b;
/* rgb */ color: rgb(40, 157, 75);
/* oklch */ color: oklch(61.4% 0.157 148.8);

Tailwind

colors: {
  custom: {
    50: '#74bb7f',
    500: '#289d4b',
    950: '#000000',
  },
}

SCSS

$custom: #289d4b;
$custom-light: #74bb7f;
$custom-dark: #000000;

JSON

{
  "hex": "#289d4b",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 75
  },
  "hsl": {
    "h": 137.949,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.6138,
    "c": 0.15712,
    "h": 148.8
  },
  "luminance": 0.25073
}

Semantic roles & 50–950 ramp

primary

#289D4B

secondary

#BE62A3

accent

#45B4E3

background

#F7FBF7

surface

#EEF6EE

border

#C9D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289D4B

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

Preview Lab → · Contrast checker → · Palette generator →