Bright Sea Green #05FFA6

Bright Sea Green is a light, vivid green with hex code #05FFA6 and RGB rgb(5, 255, 166).

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Black text reads best on this color (15.86:1).

About this color

#05FFA6 is a light, vivid green. In OKLCH its lightness is 88%, its chroma 0.202 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. It is the named color Bright Sea Green. Black text reads best on it, at 15.86:1.

Hue familyGreens
Lightnesslight (88%)
Chromavivid (0.202)
Temperaturein between
Nearest nameBright Sea Green
Black text15.86:1
White text1.32:1

Colors that go with Bright Sea Green

Matches found by rotating Bright Sea Green around the OKLCH hue wheel, each labelled with the closest name in our list.

Analogous

Neighbouring hues, 30° either side.

Open the analogous palette in the generator

Color palettes with Bright Sea Green

Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Bright Sea Green, closest first.

Similar named colors

The eight named colors closest to Bright Sea Green, with their ΔE distance.

More about Bright Sea Green

How to make Bright Sea Green

A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.

  • 4 parts white
  • 2 parts green
  • 1 part yellow

Recipe result: #A5E197, a difference of ΔE 0.105 from Bright Sea Green. Bright Sea Green is more vivid than these paints can mix, so start from a ready-made green paint and adjust it.

What colors make green? | Color mixing chart

Codes for Bright Sea Green in every format

HEX#05FFA6
RGBrgb(5, 255, 166)
HSLhsl(159, 100%, 51%)
OKLCHoklch(88.2% 0.202 159)

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 #05FFA6 1.32:1 Fails Lc -17.5 Dividers and decoration only
Black text on #05FFA6 15.86:1 AAA Lc 88.4 Fine for body text
#05FFA6 text on white 1.32:1 Fails Lc 15.2 Dividers and decoration only
#05FFA6 text on black 15.86:1 AAA Lc -88.5 Fine for body text

Shades and tints of Bright Sea Green

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 200.

  1. Step 50

    50

    #E3FDED

    oklch(97.1% 0.034 158.7)

  2. Step 100

    100

    #BFFAD8

    oklch(93.6% 0.075 159.3)

  3. Step 200

    200 (this color)

    #05FFA6

    oklch(88.2% 0.202 159)

  4. Step 300

    300

    #00E494

    oklch(81% 0.186 159.1)

  5. Step 400

    400

    #00BE7A

    oklch(70.7% 0.163 158.9)

  6. Step 500

    500

    #00A368

    oklch(63.1% 0.145 158.9)

  7. Step 600

    600

    #008957

    oklch(55.5% 0.128 159.1)

  8. Step 700

    700

    #007349

    oklch(49% 0.112 159.4)

  9. Step 800

    800

    #005F3B

    oklch(42.8% 0.098 159.1)

  10. Step 900

    900

    #004F30

    oklch(37.7% 0.087 158.9)

  11. Step 950

    950

    #002F1B

    oklch(26.9% 0.062 159.3)

Export this scale for Tailwind in the Tailwind colors tool

Bright Sea Green 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)#FCEAA00.188
Deuteranopia (no green cones)#E4D9AC0.183
Tritanopia (no blue cones)#00FEE80.089
Achromatopsia (no color)#E0E0E00.204

Use Bright Sea Green 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.