#01B390
Closest named color: Greeny Blue (#42B395). oklch(68.3% 0.132 172.1), rgb(1, 179, 144).
Aa
Black text reads best on this color (7.85:1).
About this color
#01B390 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.132 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.024 away. Black text reads best on it, at 7.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.85:1 |
| White text | 2.67:1 |
Values
| HEX | #01B390 |
| RGB | rgb(1, 179, 144) |
| HSL | hsl(168, 99%, 35%) |
| OKLCH | oklch(68.3% 0.132 172.1) |
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 #01B390 | 2.67:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #01B390 | 7.85:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #01B390 text on white | 2.67:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #01B390 text on black | 7.85:1 | AAA | Lc -50.6 | 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
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#DBEFE8
oklch(93.5% 0.023 172.8)
-
Step 200
200
#BCE4D6
oklch(88.6% 0.046 172)
-
Step 300
300
#87D2BB
oklch(80.8% 0.082 172.8)
-
Step 400
400 (this color)
#01B390
oklch(68.3% 0.132 172.1)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E23
oklch(26.8% 0.052 171.9)
#01B390 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) | #ADA68E | 0.136 |
| Deuteranopia (no green cones) | #9A9992 | 0.129 |
| Tritanopia (no blue cones) | #00B5A9 | 0.036 |
| Achromatopsia (no color) | #9E9E9E | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01B390
#01B390
oklch(68.3% 0.132 172.1)
- #D675A2
#D675A2
oklch(68.4% 0.131 351.9)
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 #01B390, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.024
- Bluey Green #2BB179 ΔE 0.030
- Dark Seafoam #1FB57A ΔE 0.033
- Dark Seafoam Green #3EAF76 ΔE 0.035
- Green Teal #0CB577 ΔE 0.037
- Green Blue #01C08D ΔE 0.040
- Light Sea Green #20B2AA ΔE 0.041
- Medium Sea Green #3CB371 ΔE 0.043
Use #01B390 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.