#01ADA4
Closest named color: Light Sea Green (#20B2AA). oklch(67.4% 0.117 188.2), rgb(1, 173, 164).
Aa
Black text reads best on this color (7.51:1).
About this color
#01ADA4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.117 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.018 away. Black text reads best on it, at 7.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #01ADA4 |
| RGB | rgb(1, 173, 164) |
| HSL | hsl(177, 99%, 34%) |
| OKLCH | oklch(67.4% 0.117 188.2) |
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 #01ADA4 | 2.79:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #01ADA4 | 7.51:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #01ADA4 text on white | 2.79:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #01ADA4 text on black | 7.51:1 | AAA | Lc -48.7 | 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
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEFEC
oklch(93.7% 0.021 186)
-
Step 200
200
#BCE2DE
oklch(88.4% 0.04 188.6)
-
Step 300
300
#88D0C9
oklch(80.8% 0.073 188.1)
-
Step 400
400 (this color)
#01ADA4
oklch(67.4% 0.117 188.2)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#01ADA4 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) | #A3A3A4 | 0.124 |
| Deuteranopia (no green cones) | #8F95A5 | 0.116 |
| Tritanopia (no blue cones) | #00B2AA | 0.015 |
| Achromatopsia (no color) | #9B9B9B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01ADA4
#01ADA4
oklch(67.4% 0.117 188.2)
- #D37688
#D37688
oklch(67.4% 0.117 8.3)
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 #01ADA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.018
- Greeny Blue #42B395 ΔE 0.038
- Topaz #13BBAF ΔE 0.041
- Turquoise Blue #06B1C4 ΔE 0.047
- Persian Green #2A9D8F ΔE 0.047
- Blue Green #0F9B8E ΔE 0.054
- Dull Teal #5F9E8F ΔE 0.055
- Sea #3C9992 ΔE 0.056
Use #01ADA4 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.