#01B190
Closest named color: Greeny Blue (#42B395). oklch(67.8% 0.13 173), rgb(1, 177, 144).
Aa
Black text reads best on this color (7.69:1).
About this color
#01B190 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.130 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.025 away. Black text reads best on it, at 7.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #01B190 |
| RGB | rgb(1, 177, 144) |
| HSL | hsl(169, 99%, 35%) |
| OKLCH | oklch(67.8% 0.13 173) |
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 #01B190 | 2.72:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #01B190 | 7.69:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #01B190 text on white | 2.72:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #01B190 text on black | 7.69:1 | AAA | Lc -49.7 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DBEFE8
oklch(93.5% 0.023 172.8)
-
Step 200
200
#BCE3D6
oklch(88.4% 0.044 173)
-
Step 300
300
#88D2BC
oklch(80.9% 0.081 173.5)
-
Step 400
400 (this color)
#01B190
oklch(67.8% 0.13 173)
-
Step 500
500
#00A182
oklch(63.2% 0.122 172.6)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#01B190 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) | #ABA48E | 0.135 |
| Deuteranopia (no green cones) | #989792 | 0.128 |
| Tritanopia (no blue cones) | #00B3A7 | 0.033 |
| Achromatopsia (no color) | #9C9C9C | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01B190
#01B190
oklch(67.8% 0.13 173)
- #D4749E
#D4749E
oklch(67.8% 0.129 353.4)
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 #01B190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.025
- Bluey Green #2BB179 ΔE 0.032
- Dark Seafoam Green #3EAF76 ΔE 0.036
- Dark Seafoam #1FB57A ΔE 0.036
- Light Sea Green #20B2AA ΔE 0.040
- Green Teal #0CB577 ΔE 0.040
- Jade #1FA774 ΔE 0.041
- Medium Sea Green #3CB371 ΔE 0.046
Use #01B190 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.