#2AAFB0
Closest named color: Light Sea Green (#20B2AA). oklch(68.7% 0.108 195.7), rgb(42, 175, 176).
Aa
Black text reads best on this color (7.85:1).
About this color
#2AAFB0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.108 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.015 away. Black text reads best on it, at 7.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.85:1 |
| White text | 2.67:1 |
Values
| HEX | #2AAFB0 |
| RGB | rgb(42, 175, 176) |
| HSL | hsl(180, 61%, 43%) |
| OKLCH | oklch(68.7% 0.108 195.7) |
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 #2AAFB0 | 2.67:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #2AAFB0 | 7.85:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #2AAFB0 text on white | 2.67:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #2AAFB0 text on black | 7.85:1 | AAA | Lc -50.4 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DCEEEE
oklch(93.6% 0.019 196.8)
-
Step 200
200
#BDE1E1
oklch(88.4% 0.038 196.5)
-
Step 300
300
#8CCFCF
oklch(81% 0.068 195.9)
-
Step 400
400 (this color)
#2AAFB0
oklch(68.7% 0.108 195.7)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#2AAFB0 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) | #A3A6B0 | 0.113 |
| Deuteranopia (no green cones) | #9098B1 | 0.106 |
| Tritanopia (no blue cones) | #00B5AF | 0.019 |
| Achromatopsia (no color) | #9E9E9E | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2AAFB0
#2AAFB0
oklch(68.7% 0.108 195.7)
- #D57E84
#D57E84
oklch(68.8% 0.108 15.9)
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 #2AAFB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.015
- Turquoise Blue #06B1C4 ΔE 0.029
- Topaz #13BBAF ΔE 0.035
- Greeny Blue #42B395 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.053
- Dull Teal #5F9E8F ΔE 0.060
- Persian Green #2A9D8F ΔE 0.062
- Sea #3C9992 ΔE 0.066
Use #2AAFB0 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.