#659A8F

Closest named color: Grey Teal (#5E9B8A). oklch(64.6% 0.059 179.8), rgb(101, 154, 143).

Aa

Black text reads best on this color (6.57:1).

About this color

#659A8F is a medium-light, muted teal or cyan. In OKLCH its lightness is 65%, its chroma 0.059 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.012 away. Black text reads best on it, at 6.57:1.

Hue familyTeals and cyans
Lightnessmedium-light (65%)
Chromamuted (0.059)
Temperaturecool
Nearest nameGrey Teal (#5E9B8A)
Black text6.57:1
White text3.19:1

Values

HEX#659A8F
RGBrgb(101, 154, 143)
HSLhsl(168, 21%, 50%)
OKLCHoklch(64.6% 0.059 179.8)

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 #659A8F 3.19:1 AA large text Lc -64.5 Content text, not long reading
Black text on #659A8F 6.57:1 AA Lc 45.0 Non-text elements, placeholder text
#659A8F text on white 3.19:1 AA large text Lc 59.1 Large or bold text, headings
#659A8F text on black 6.57:1 AA Lc -42.7 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

    #F3F6F5

    oklch(97.1% 0.003 174.5)

  2. Step 100

    100

    #E4ECEA

    oklch(93.6% 0.009 179.6)

  3. Step 200

    200

    #CEDDD9

    oklch(88.5% 0.017 178.2)

  4. Step 300

    300

    #AEC7C1

    oklch(80.9% 0.028 179.5)

  5. Step 400

    400

    #82AAA1

    oklch(70.6% 0.045 179.6)

  6. Step 500

    500 (this color)

    #659A8F

    oklch(64.6% 0.059 179.8)

  7. Step 600

    600

    #468075

    oklch(55.7% 0.064 180.2)

  8. Step 700

    700

    #376C62

    oklch(49.1% 0.059 180)

  9. Step 800

    800

    #2E5850

    oklch(42.7% 0.049 180.1)

  10. Step 900

    900

    #2A4842

    oklch(37.6% 0.038 180)

  11. Step 950

    950

    #192A27

    oklch(26.9% 0.023 182.2)

Export this scale for Tailwind in the Tailwind colors tool

#659A8F 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)#96948F0.063
Deuteranopia (no green cones)#8C8D900.059
Tritanopia (no blue cones)#549C970.018
Achromatopsia (no color)#9090900.059

Harmonies

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

Complementary

The opposite hue (180°).

  • #659A8F

    #659A8F

    oklch(64.6% 0.059 179.8)

  • #AD7F8C

    #AD7F8C

    oklch(64.6% 0.059 0.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #659A8F

    #659A8F

    oklch(64.6% 0.059 179.8)

  • #75987B

    #75987B

    oklch(64.5% 0.058 149.7)

  • #6298A2

    #6298A2

    oklch(64.6% 0.059 210.5)

Open the analogous palette in the generator

Split complementary

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

  • #659A8F

    #659A8F

    oklch(64.6% 0.059 179.8)

  • #A3819F

    #A3819F

    oklch(64.5% 0.059 330.2)

  • #AF8179

    #AF8179

    oklch(64.6% 0.059 29.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #659A8F

    #659A8F

    oklch(64.6% 0.059 179.8)

  • #9386AD

    #9386AD

    oklch(64.5% 0.059 300)

  • #A9866A

    #A9866A

    oklch(64.6% 0.059 60.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #659A8F

    #659A8F

    oklch(64.6% 0.059 179.8)

  • #808DB3

    #808DB3

    oklch(64.7% 0.059 270)

  • #AD7F8C

    #AD7F8C

    oklch(64.6% 0.059 0.3)

  • #9C8D64

    #9C8D64

    oklch(64.6% 0.06 90.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #659A8F, closest first.

Similar named colors

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

Use #659A8F 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.