#289D53

Closest named color: Light Forest Green (#4F9153). oklch(61.5% 0.15 150.9), rgb(40, 157, 83).

Aa

Black text reads best on this color (6.03:1).

About this color

#289D53 is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.150 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.042 away. Black text reads best on it, at 6.03:1.

Hue familyGreens
Lightnessmedium-dark (62%)
Chromavivid (0.150)
Temperaturein between
Nearest nameLight Forest Green (#4F9153)
Black text6.03:1
White text3.47:1

Values

HEX#289D53
RGBrgb(40, 157, 83)
HSLhsl(142, 59%, 39%)
OKLCHoklch(61.5% 0.15 150.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #289D53 3.47:1 AA large text Lc -67.4 Content text, not long reading
Black text on #289D53 6.03:1 AA Lc 42.2 Non-text elements, placeholder text
#289D53 text on white 3.47:1 AA large text Lc 61.9 Content text, not long reading
#289D53 text on black 6.03:1 AA Lc -39.8 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F1F7F2

    oklch(97% 0.009 150.7)

  2. Step 100

    100

    #E0EEE3

    oklch(93.6% 0.021 152.2)

  3. Step 200

    200

    #C7E1CC

    oklch(88.5% 0.04 151.1)

  4. Step 300

    300

    #9ECFA9

    oklch(81% 0.074 151.3)

  5. Step 400

    400

    #65B57A

    oklch(70.6% 0.117 150.9)

  6. Step 500

    500 (this color)

    #289D53

    oklch(61.5% 0.15 150.9)

  7. Step 600

    600

    #008B42

    oklch(55.7% 0.15 151)

  8. Step 700

    700

    #007536

    oklch(49.2% 0.133 150.8)

  9. Step 800

    800

    #00602B

    oklch(42.8% 0.116 150.8)

  10. Step 900

    900

    #064F24

    oklch(37.5% 0.098 150.9)

  11. Step 950

    950

    #092F16

    oklch(27.1% 0.062 151)

Export this scale for Tailwind in the Tailwind colors tool

#289D53 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#9E8F4D0.126
Deuteranopia (no green cones)#9086580.123
Tritanopia (no blue cones)#009A8B0.081
Achromatopsia (no color)#8989890.150

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #289D53

    #289D53

    oklch(61.5% 0.15 150.9)

  • #B65FAE

    #B65FAE

    oklch(61.5% 0.15 330.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #289D53

    #289D53

    oklch(61.5% 0.15 150.9)

  • #789100

    #789100

    oklch(61.5% 0.148 121.1)

  • #009A88

    #009A88

    oklch(61.5% 0.111 180.7)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #289D53

    #289D53

    oklch(61.5% 0.15 150.9)

  • #956CCF

    #956CCF

    oklch(61.5% 0.149 301.3)

  • #CA587F

    #CA587F

    oklch(61.4% 0.15 1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #289D53

    #289D53

    oklch(61.5% 0.15 150.9)

  • #647CDE

    #647CDE

    oklch(61.4% 0.15 271)

  • #CF5C4A

    #CF5C4A

    oklch(61.5% 0.15 30.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #289D53

    #289D53

    oklch(61.5% 0.15 150.9)

  • #008DD2

    #008DD2

    oklch(61.5% 0.144 241.1)

  • #B65FAE

    #B65FAE

    oklch(61.5% 0.15 330.7)

  • #C16D00

    #C16D00

    oklch(61.6% 0.143 61)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #289D53, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #289D53 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.