#2D9990
Closest named color: Sea (#3C9992). oklch(62.1% 0.096 186.9), rgb(45, 153, 144).
Aa
Black text reads best on this color (6.07:1).
About this color
#2D9990 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.096 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.010 away. Black text reads best on it, at 6.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #2D9990 |
| RGB | rgb(45, 153, 144) |
| HSL | hsl(175, 55%, 39%) |
| OKLCH | oklch(62.1% 0.096 186.9) |
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 #2D9990 | 3.45:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #2D9990 | 6.07:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #2D9990 text on white | 3.45:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #2D9990 text on black | 6.07:1 | AA | Lc -39.9 | 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
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C7DFDC
oklch(88.5% 0.026 187.6)
-
Step 300
300
#9FCBC5
oklch(80.9% 0.047 186)
-
Step 400
400
#66B0A8
oklch(70.7% 0.075 186.7)
-
Step 500
500 (this color)
#2D9990
oklch(62.1% 0.096 186.9)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#084C47
oklch(37.7% 0.063 187)
-
Step 950
950
#0A2D2A
oklch(27.1% 0.04 187.1)
#2D9990 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) | #919190 | 0.102 |
| Deuteranopia (no green cones) | #818591 | 0.096 |
| Tritanopia (no blue cones) | #009D96 | 0.015 |
| Achromatopsia (no color) | #8A8A8A | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D9990
#2D9990
oklch(62.1% 0.096 186.9)
- #B86D7D
#B86D7D
oklch(62.2% 0.097 6.5)
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 #2D9990, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.010
- Blue Green #0F9B8E ΔE 0.012
- Persian Green #2A9D8F ΔE 0.013
- Teal Green #0A9396 ΔE 0.026
- Dusty Teal #4C9085 ΔE 0.030
- Grey Teal #5E9B8A ΔE 0.039
- Ocean Green #3D9973 ΔE 0.043
- Dull Teal #5F9E8F ΔE 0.043
Use #2D9990 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.