#27BBBD
Closest named color: Topaz (#13BBAF). oklch(72.1% 0.116 196.3), rgb(39, 187, 189).
Aa
Black text reads best on this color (8.92:1).
About this color
#27BBBD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.116 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.022 away. Black text reads best on it, at 8.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.92:1 |
| White text | 2.35:1 |
Values
| HEX | #27BBBD |
| RGB | rgb(39, 187, 189) |
| HSL | hsl(181, 66%, 45%) |
| OKLCH | oklch(72.1% 0.116 196.3) |
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 #27BBBD | 2.35:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #27BBBD | 8.92:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #27BBBD text on white | 2.35:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #27BBBD text on black | 8.92:1 | AAA | Lc -56.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100
#DBEFEE
oklch(93.7% 0.021 193.2)
-
Step 200
200
#BBE2E2
oklch(88.5% 0.041 196.4)
-
Step 300
300
#87D0D0
oklch(81% 0.073 195.8)
-
Step 400
400 (this color)
#27BBBD
oklch(72.1% 0.116 196.3)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#27BBBD 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) | #AEB2BD | 0.120 |
| Deuteranopia (no green cones) | #99A3BE | 0.111 |
| Tritanopia (no blue cones) | #00C1BB | 0.019 |
| Achromatopsia (no color) | #A9A9A9 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27BBBD
#27BBBD
oklch(72.1% 0.116 196.3)
- #E4868C
#E4868C
oklch(72.2% 0.115 16.3)
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 #27BBBD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.022
- Light Sea Green #20B2AA ΔE 0.034
- Turquoise Blue #06B1C4 ΔE 0.035
- Dark Turquoise #00CED1 ΔE 0.053
- Greeny Blue #42B395 ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.066
- Green Blue #01C08D ΔE 0.077
- Medium Aquamarine #66CDAA ΔE 0.077
Use #27BBBD 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.