#1CBCBB
Closest named color: Topaz (#13BBAF). oklch(72.2% 0.119 194.1), rgb(28, 188, 187).
Aa
Black text reads best on this color (8.96:1).
About this color
#1CBCBB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.119 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.018 away. Black text reads best on it, at 8.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.96:1 |
| White text | 2.34:1 |
Values
| HEX | #1CBCBB |
| RGB | rgb(28, 188, 187) |
| HSL | hsl(180, 74%, 42%) |
| OKLCH | oklch(72.2% 0.119 194.1) |
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 #1CBCBB | 2.34:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #1CBCBB | 8.96:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #1CBCBB text on white | 2.34:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #1CBCBB text on black | 8.96:1 | AAA | Lc -56.4 | 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
#DAEFEE
oklch(93.6% 0.022 193.3)
-
Step 200
200
#BBE2E1
oklch(88.5% 0.041 194.5)
-
Step 300
300
#85D0CF
oklch(80.9% 0.075 194.7)
-
Step 400
400 (this color)
#1CBCBB
oklch(72.2% 0.119 194.1)
-
Step 500
500
#009D9D
oklch(63% 0.108 194.8)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#1CBCBB 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) | #AFB2BB | 0.124 |
| Deuteranopia (no green cones) | #9AA3BC | 0.116 |
| Tritanopia (no blue cones) | #00C2BB | 0.017 |
| Achromatopsia (no color) | #A9A9A9 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1CBCBB
#1CBCBB
oklch(72.2% 0.119 194.1)
- #E5848E
#E5848E
oklch(72% 0.119 13.9)
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 #1CBCBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.018
- Light Sea Green #20B2AA ΔE 0.033
- Turquoise Blue #06B1C4 ΔE 0.039
- Dark Turquoise #00CED1 ΔE 0.052
- Greeny Blue #42B395 ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.065
- Green Blue #01C08D ΔE 0.072
- Medium Aquamarine #66CDAA ΔE 0.075
Use #1CBCBB 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.