#28AF9F
Closest named color: Light Sea Green (#20B2AA). oklch(68.1% 0.113 182.9), rgb(40, 175, 159).
Aa
Black text reads best on this color (7.72:1).
About this color
#28AF9F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.113 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.016 away. Black text reads best on it, at 7.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #28AF9F |
| RGB | rgb(40, 175, 159) |
| HSL | hsl(173, 63%, 42%) |
| OKLCH | oklch(68.1% 0.113 182.9) |
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 #28AF9F | 2.71:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #28AF9F | 7.72:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #28AF9F text on white | 2.71:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #28AF9F text on black | 7.72:1 | AAA | Lc -49.6 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DCEFEB
oklch(93.7% 0.021 181.9)
-
Step 200
200
#BEE2DB
oklch(88.5% 0.039 182.3)
-
Step 300
300
#8CD0C5
oklch(80.9% 0.071 183.3)
-
Step 400
400 (this color)
#28AF9F
oklch(68.1% 0.113 182.9)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007065
oklch(49% 0.087 183.1)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#28AF9F 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) | #A6A59E | 0.119 |
| Deuteranopia (no green cones) | #9497A1 | 0.114 |
| Tritanopia (no blue cones) | #00B3AA | 0.017 |
| Achromatopsia (no color) | #9D9D9D | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AF9F
#28AF9F
oklch(68.1% 0.113 182.9)
- #D27A92
#D27A92
oklch(68.2% 0.112 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 #28AF9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.016
- Greeny Blue #42B395 ΔE 0.025
- Topaz #13BBAF ΔE 0.035
- Persian Green #2A9D8F ΔE 0.052
- Dull Teal #5F9E8F ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.054
- Tea #65AB7C ΔE 0.055
- Bluey Green #2BB179 ΔE 0.057
Use #28AF9F 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.