#09B09F
Closest named color: Light Sea Green (#20B2AA). oklch(68% 0.12 182.8), rgb(9, 176, 159).
Aa
Black text reads best on this color (7.72:1).
About this color
#09B09F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.120 and its hue 183°. 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 7.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #09B09F |
| RGB | rgb(9, 176, 159) |
| HSL | hsl(174, 90%, 36%) |
| OKLCH | oklch(68% 0.12 182.8) |
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 #09B09F | 2.71:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #09B09F | 7.72:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #09B09F text on white | 2.71:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #09B09F text on black | 7.72:1 | AAA | Lc -49.8 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DBEFEB
oklch(93.6% 0.022 182.5)
-
Step 200
200
#BCE3DB
oklch(88.6% 0.042 181.5)
-
Step 300
300
#88D1C5
oklch(80.9% 0.075 182.9)
-
Step 400
400 (this color)
#09B09F
oklch(68% 0.12 182.8)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
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
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#09B09F 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) | #A7A59E | 0.127 |
| Deuteranopia (no green cones) | #9497A1 | 0.121 |
| Tritanopia (no blue cones) | #00B4AB | 0.018 |
| Achromatopsia (no color) | #9D9D9D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09B09F
#09B09F
oklch(68% 0.12 182.8)
- #D57791
#D57791
oklch(68% 0.12 3.1)
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 #09B09F, 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 0.027
- Topaz #13BBAF ΔE 0.035
- Persian Green #2A9D8F ΔE 0.053
- Bluey Green #2BB179 ΔE 0.055
- Turquoise Blue #06B1C4 ΔE 0.055
- Dark Seafoam Green #3EAF76 ΔE 0.057
- Dull Teal #5F9E8F ΔE 0.059
Use #09B09F 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.