#28AF8F
Closest named color: Greeny Blue (#42B395). oklch(67.6% 0.121 172.3), rgb(40, 175, 143).
Aa
Black text reads best on this color (7.61:1).
About this color
#28AF8F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.121 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.021 away. Black text reads best on it, at 7.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #28AF8F |
| RGB | rgb(40, 175, 143) |
| HSL | hsl(166, 63%, 42%) |
| OKLCH | oklch(67.6% 0.121 172.3) |
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 #28AF8F | 2.75:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #28AF8F | 7.61:1 | AAA | Lc 51.2 | Large or bold text, headings |
| #28AF8F text on white | 2.75:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #28AF8F text on black | 7.61:1 | AAA | Lc -49.1 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DCEFE8
oklch(93.6% 0.022 171.8)
-
Step 200
200
#BEE3D6
oklch(88.6% 0.043 172)
-
Step 300
300
#8DD1BB
oklch(80.9% 0.076 172.1)
-
Step 400
400 (this color)
#28AF8F
oklch(67.6% 0.121 172.3)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#28AF8F 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) | #A9A38D | 0.125 |
| Deuteranopia (no green cones) | #989791 | 0.119 |
| Tritanopia (no blue cones) | #00B1A6 | 0.032 |
| Achromatopsia (no color) | #9C9C9C | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AF8F
#28AF8F
oklch(67.6% 0.121 172.3)
- #D0769F
#D0769F
oklch(67.7% 0.122 352.1)
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 #28AF8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.021
- Bluey Green #2BB179 ΔE 0.033
- Dark Seafoam Green #3EAF76 ΔE 0.035
- Light Sea Green #20B2AA ΔE 0.038
- Dark Seafoam #1FB57A ΔE 0.039
- Jade #1FA774 ΔE 0.040
- Tea #65AB7C ΔE 0.042
- Green Teal #0CB577 ΔE 0.044
Use #28AF8F 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.