#27BDA9
Closest named color: Topaz (#13BBAF). oklch(72% 0.122 181.2), rgb(39, 189, 169).
Aa
Black text reads best on this color (8.93:1).
About this color
#27BDA9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.122 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.013 away. Black text reads best on it, at 8.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.93:1 |
| White text | 2.34:1 |
Values
| HEX | #27BDA9 |
| RGB | rgb(39, 189, 169) |
| HSL | hsl(172, 66%, 45%) |
| OKLCH | oklch(72% 0.122 181.2) |
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 #27BDA9 | 2.34:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #27BDA9 | 8.93:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #27BDA9 text on white | 2.34:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #27BDA9 text on black | 8.93:1 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DBEFEB
oklch(93.6% 0.022 182.5)
-
Step 200
200
#BCE3DB
oklch(88.6% 0.042 181.5)
-
Step 300
300
#88D1C3
oklch(80.9% 0.076 180.9)
-
Step 400
400 (this color)
#27BDA9
oklch(72% 0.122 181.2)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#27BDA9 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) | #B4B1A8 | 0.129 |
| Deuteranopia (no green cones) | #A1A3AB | 0.123 |
| Tritanopia (no blue cones) | #00C1B7 | 0.020 |
| Achromatopsia (no color) | #A9A9A9 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27BDA9
#27BDA9
oklch(72% 0.122 181.2)
- #E382A0
#E382A0
oklch(72% 0.123 0.8)
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 #27BDA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.013
- Greeny Blue #42B395 ΔE 0.033
- Light Sea Green #20B2AA ΔE 0.034
- Green Blue #01C08D ΔE 0.046
- Greenblue #23C48B ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.062
- Dark Turquoise #00CED1 ΔE 0.063
- Medium Aquamarine #66CDAA ΔE 0.063
Use #27BDA9 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.