#28AD8A
Closest named color: Greeny Blue (#42B395). oklch(67% 0.122 170.3), rgb(40, 173, 138).
Aa
Black text reads best on this color (7.43:1).
About this color
#28AD8A is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.122 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.027 away. Black text reads best on it, at 7.43:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #28AD8A |
| RGB | rgb(40, 173, 138) |
| HSL | hsl(164, 62%, 42%) |
| OKLCH | oklch(67% 0.122 170.3) |
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 #28AD8A | 2.82:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #28AD8A | 7.43:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #28AD8A text on white | 2.82:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #28AD8A text on black | 7.43:1 | AAA | Lc -48.0 | 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 400.
-
Step 50
50
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE8
oklch(93.6% 0.022 171.8)
-
Step 200
200
#BEE3D5
oklch(88.5% 0.043 170.4)
-
Step 300
300
#8ED1B9
oklch(80.9% 0.076 169.9)
-
Step 400
400 (this color)
#28AD8A
oklch(67% 0.122 170.3)
-
Step 500
500
#00A17E
oklch(63.1% 0.125 170.2)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#28AD8A 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) | #A8A188 | 0.125 |
| Deuteranopia (no green cones) | #97958C | 0.119 |
| Tritanopia (no blue cones) | #00AEA3 | 0.035 |
| Achromatopsia (no color) | #9A9A9A | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AD8A
#28AD8A
oklch(67% 0.122 170.3)
- #CD749F
#CD749F
oklch(67% 0.122 350.6)
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 #28AD8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.027
- Bluey Green #2BB179 ΔE 0.030
- Dark Seafoam Green #3EAF76 ΔE 0.031
- Jade #1FA774 ΔE 0.032
- Dark Seafoam #1FB57A ΔE 0.038
- Tea #65AB7C ΔE 0.041
- Green Teal #0CB577 ΔE 0.042
- Seaweed Green #35AD6B ΔE 0.042
Use #28AD8A 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.