#27E5BA
Closest named color: Aqua Marine (#2EE8BB). oklch(82.4% 0.154 172), rgb(39, 229, 186).
Aa
Black text reads best on this color (13.00:1).
About this color
#27E5BA is a light, vivid teal or cyan. In OKLCH its lightness is 82%, its chroma 0.154 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.009 away. Black text reads best on it, at 13.00:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 13.00:1 |
| White text | 1.61:1 |
Values
| HEX | #27E5BA |
| RGB | rgb(39, 229, 186) |
| HSL | hsl(166, 79%, 53%) |
| OKLCH | oklch(82.4% 0.154 172) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #27E5BA | 1.61:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #27E5BA | 13.00:1 | AAA | Lc 76.8 | Fine for body text |
| #27E5BA text on white | 1.61:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #27E5BA text on black | 13.00:1 | AAA | Lc -76.0 | Fine for body 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 300.
-
Step 50
50
#E9FAF4
oklch(97.1% 0.02 172.8)
-
Step 100
100
#CDF4E6
oklch(93.6% 0.045 171.6)
-
Step 200
200
#9DECD3
oklch(88.5% 0.085 172.4)
-
Step 300
300 (this color)
#27E5BA
oklch(82.4% 0.154 172)
-
Step 400
400
#00BC97
oklch(70.8% 0.137 171.9)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E23
oklch(26.8% 0.052 171.9)
#27E5BA 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #DED5B8 | 0.159 |
| Deuteranopia (no green cones) | #C7C5BD | 0.152 |
| Tritanopia (no blue cones) | #00E7D9 | 0.042 |
| Achromatopsia (no color) | #CBCBCB | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27E5BA
#27E5BA
oklch(82.4% 0.154 172)
- #FFA6CD
#FFA6CD
oklch(82.4% 0.115 352.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #27E5BA, closest first.
No curated palette has a color within ΔE 0.04 of #27E5BA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.009
- Turquoise #40E0D0 ΔE 0.040
- Emerald #06D6A0 ΔE 0.049
- Aqua Green #12E193 ΔE 0.051
- Bright Teal #01F9C6 ΔE 0.053
- Seafoam Blue #78D1B6 ΔE 0.065
- Medium Aquamarine #66CDAA ΔE 0.065
- Light Teal #90E4C1 ΔE 0.067
Use #27E5BA 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.