#009A8A
Closest named color: Blue Green (#0F9B8E). oklch(61.6% 0.11 182.1), rgb(0, 154, 138).
Aa
Black text reads best on this color (5.98:1).
About this color
#009A8A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.110 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.007 away. Black text reads best on it, at 5.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 5.98:1 |
| White text | 3.50:1 |
Values
| HEX | #009A8A |
| RGB | rgb(0, 154, 138) |
| HSL | hsl(174, 100%, 30%) |
| OKLCH | oklch(61.6% 0.11 182.1) |
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 #009A8A | 3.50:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #009A8A | 5.98:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #009A8A text on white | 3.50:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #009A8A text on black | 5.98:1 | AA | Lc -39.7 | Non-text elements, placeholder text |
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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#DFEDEA
oklch(93.5% 0.015 181.8)
-
Step 200
200
#C5E0DA
oklch(88.5% 0.03 180.7)
-
Step 300
300
#9ACDC3
oklch(81% 0.055 181.5)
-
Step 400
400
#5CB2A5
oklch(70.6% 0.086 182.8)
-
Step 500
500 (this color)
#009A8A
oklch(61.6% 0.11 182.1)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#042E28
oklch(27.2% 0.046 180.9)
#009A8A 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) | #929089 | 0.117 |
| Deuteranopia (no green cones) | #81848B | 0.110 |
| Tritanopia (no blue cones) | #009D95 | 0.017 |
| Achromatopsia (no color) | #898989 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #009A8A
#009A8A
oklch(61.6% 0.11 182.1)
- #BB677F
#BB677F
oklch(61.6% 0.11 2.6)
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 #009A8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.007
- Persian Green #2A9D8F ΔE 0.017
- Sea #3C9992 ΔE 0.027
- Teal Green #0A9396 ΔE 0.032
- Ocean Green #3D9973 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.047
- Viridian #1E9167 ΔE 0.050
Use #009A8A 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.