#289E4B#289E4B

#289E4B is a mid, vivid green. Relative luminance 0.254; OKLCH L 61.7% C 0.158 H 148.7°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#289E4B
RGB	rgb(40, 158, 75)
HSL	hsl(138, 60%, 39%)
HSV	hsv(138, 75%, 62%)
CMYK	cmyk(74.7%, 0%, 52.5%, 38%)
CIE-LAB	lab(57.47, -50.33, 34.09)
CIE-LCH	lch(57.47, 60.79, 145.89°)
OKLab	oklab(61.65% -0.1354 0.0823)
OKLCH	oklch(61.65% 0.158 148.7)
XYZ	xyz(14.3708, 25.4112, 10.8027)
Luminance	0.2541 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289E4B #9E287B

analogous

#409E28 #289E4B #289E86

triadic

#289E4B #4B289E #9E4B28

tetradic

#289E4B #28409E #9E287B #9E8628

square

#289E4B #28409E #9E287B #9E8628

split-complementary

#289E4B #86289E #9E2840

monochromatic

#0F3C1D #1C6D34 #289E4B #37CC63 #68D989

Accessibility & contrast

On white

3.45

#289E4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#289E4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289E4B

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289E4B	#FFFFFF	#000000	##000000
##289E4B	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F9044

Deuteranopia (green-blind)

#928651

Tritanopia (blue-blind)

#009B8B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289e4b;
/* rgb */ color: rgb(40, 158, 75);
/* oklch */ color: oklch(61.7% 0.158 148.7);

Tailwind

colors: {
  custom: {
    50: '#74bc7f',
    500: '#289e4b',
    950: '#000000',
  },
}

SCSS

$custom: #289e4b;
$custom-light: #74bc7f;
$custom-dark: #000000;

JSON

{
  "hex": "#289e4b",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 75
  },
  "hsl": {
    "h": 137.797,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.61652,
    "c": 0.15842,
    "h": 148.7
  },
  "luminance": 0.25413
}

Semantic roles & 50–950 ramp

primary

#289E4B

secondary

#BF63A4

accent

#45B4E3

background

#F7FBF7

surface

#EEF6EE

border

#C9D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289E4B

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

Preview Lab → · Contrast checker → · Palette generator →