#01AB91
Closest named color: Greeny Blue (#42B395). oklch(66.3% 0.123 176.6), rgb(1, 171, 145).
Aa
Black text reads best on this color (7.23:1).
About this color
#01AB91 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.123 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.035 away. Black text reads best on it, at 7.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #01AB91 |
| RGB | rgb(1, 171, 145) |
| HSL | hsl(171, 99%, 34%) |
| OKLCH | oklch(66.3% 0.123 176.6) |
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 #01AB91 | 2.90:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #01AB91 | 7.23:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #01AB91 text on white | 2.90:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #01AB91 text on black | 7.23:1 | AAA | Lc -47.1 | 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 500.
-
Step 50
50
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DEEEE9
oklch(93.6% 0.018 175.3)
-
Step 200
200
#C3E1D8
oklch(88.5% 0.034 175.5)
-
Step 300
300
#97CEBF
oklch(80.9% 0.061 176)
-
Step 400
400
#55B49F
oklch(70.6% 0.096 176.9)
-
Step 500
500 (this color)
#01AB91
oklch(66.3% 0.123 176.6)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#01AB91 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) | #A49F90 | 0.129 |
| Deuteranopia (no green cones) | #929293 | 0.124 |
| Tritanopia (no blue cones) | #00AEA3 | 0.026 |
| Achromatopsia (no color) | #989898 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01AB91
#01AB91
oklch(66.3% 0.123 176.6)
- #CE7194
#CE7194
oklch(66.3% 0.123 357)
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 #01AB91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.035
- Jade #1FA774 ΔE 0.039
- Light Sea Green #20B2AA ΔE 0.039
- Persian Green #2A9D8F ΔE 0.041
- Bluey Green #2BB179 ΔE 0.044
- Dark Seafoam Green #3EAF76 ΔE 0.045
- Blue Green #0F9B8E ΔE 0.047
- Dark Seafoam #1FB57A ΔE 0.051
Use #01AB91 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.