#28AAA1
Closest named color: Light Sea Green (#20B2AA). oklch(66.9% 0.108 187.8), rgb(40, 170, 161).
Aa
Black text reads best on this color (7.35:1).
About this color
#28AAA1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.108 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.023 away. Black text reads best on it, at 7.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #28AAA1 |
| RGB | rgb(40, 170, 161) |
| HSL | hsl(176, 62%, 41%) |
| OKLCH | oklch(66.9% 0.108 187.8) |
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 #28AAA1 | 2.85:1 | Fails | Lc -59.6 | Large or bold text, headings |
| Black text on #28AAA1 | 7.35:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #28AAA1 text on white | 2.85:1 | Fails | Lc 54.3 | Large or bold text, headings |
| #28AAA1 text on black | 7.35:1 | AAA | Lc -47.6 | 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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DCEEEC
oklch(93.5% 0.019 188.8)
-
Step 200
200
#BEE2DD
oklch(88.5% 0.038 186.3)
-
Step 300
300
#8DCFC8
oklch(80.8% 0.068 187.6)
-
Step 400
400 (this color)
#28AAA1
oklch(66.9% 0.108 187.8)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
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
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#28AAA1 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) | #A0A0A1 | 0.114 |
| Deuteranopia (no green cones) | #8E93A2 | 0.108 |
| Tritanopia (no blue cones) | #00AEA7 | 0.013 |
| Achromatopsia (no color) | #999999 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AAA1
#28AAA1
oklch(66.9% 0.108 187.8)
- #CD7888
#CD7888
oklch(66.9% 0.107 8.3)
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 #28AAA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.023
- Greeny Blue #42B395 ΔE 0.039
- Persian Green #2A9D8F ΔE 0.040
- Dull Teal #5F9E8F ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.047
- Topaz #13BBAF ΔE 0.047
- Sea #3C9992 ΔE 0.048
- Blue Green #0F9B8E ΔE 0.049
Use #28AAA1 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.