#01B7AA
Closest named color: Topaz (#13BBAF). oklch(70.1% 0.123 185.9), rgb(1, 183, 170).
Aa
Black text reads best on this color (8.35:1).
About this color
#01B7AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.123 and its hue 186°. 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 8.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #01B7AA |
| RGB | rgb(1, 183, 170) |
| HSL | hsl(176, 99%, 36%) |
| OKLCH | oklch(70.1% 0.123 185.9) |
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 #01B7AA | 2.51:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #01B7AA | 8.35:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #01B7AA text on white | 2.51:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #01B7AA text on black | 8.35:1 | AAA | Lc -53.3 | 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
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100
#DAEFEC
oklch(93.6% 0.022 186.5)
-
Step 200
200
#BBE3DD
oklch(88.6% 0.042 185.3)
-
Step 300
300
#85D1C8
oklch(80.9% 0.077 186.3)
-
Step 400
400 (this color)
#01B7AA
oklch(70.1% 0.123 185.9)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#01B7AA 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) | #ADACAA | 0.131 |
| Deuteranopia (no green cones) | #989DAB | 0.123 |
| Tritanopia (no blue cones) | #00BCB3 | 0.017 |
| Achromatopsia (no color) | #A3A3A3 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01B7AA
#01B7AA
oklch(70.1% 0.123 185.9)
- #DE7D93
#DE7D93
oklch(70.2% 0.122 6.2)
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 #01B7AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.013
- Light Sea Green #20B2AA ΔE 0.015
- Greeny Blue #42B395 ΔE 0.031
- Turquoise Blue #06B1C4 ΔE 0.048
- Green Blue #01C08D ΔE 0.056
- Bluey Green #2BB179 ΔE 0.066
- Dark Seafoam #1FB57A ΔE 0.067
- Greenblue #23C48B ΔE 0.067
Use #01B7AA 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.