#28AA91
Closest named color: Greeny Blue (#42B395). oklch(66.4% 0.115 176.2), rgb(40, 170, 145).
Aa
Black text reads best on this color (7.24:1).
About this color
#28AA91 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.115 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.031 away. Black text reads best on it, at 7.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #28AA91 |
| RGB | rgb(40, 170, 145) |
| HSL | hsl(168, 62%, 41%) |
| OKLCH | oklch(66.4% 0.115 176.2) |
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 #28AA91 | 2.89:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #28AA91 | 7.24:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #28AA91 text on white | 2.89:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #28AA91 text on black | 7.24:1 | AAA | Lc -47.0 | 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 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C5E0D8
oklch(88.5% 0.031 175.8)
-
Step 300
300
#9BCDBF
oklch(80.9% 0.056 175.7)
-
Step 400
400
#5DB39F
oklch(70.7% 0.089 176.6)
-
Step 500
500 (this color)
#28AA91
oklch(66.4% 0.115 176.2)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#042E26
oklch(27.1% 0.047 176.7)
#28AA91 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) | #A39F90 | 0.119 |
| Deuteranopia (no green cones) | #929393 | 0.113 |
| Tritanopia (no blue cones) | #00ACA3 | 0.025 |
| Achromatopsia (no color) | #989898 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AA91
#28AA91
oklch(66.4% 0.115 176.2)
- #CA7495
#CA7495
oklch(66.3% 0.114 356.2)
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 #28AA91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.031
- Light Sea Green #20B2AA ΔE 0.037
- Persian Green #2A9D8F ΔE 0.038
- Jade #1FA774 ΔE 0.041
- Bluey Green #2BB179 ΔE 0.045
- Dark Seafoam Green #3EAF76 ΔE 0.045
- Blue Green #0F9B8E ΔE 0.047
- Dull Teal #5F9E8F ΔE 0.047
Use #28AA91 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.