#43B899
Closest named color: Greeny Blue (#42B395). oklch(70.8% 0.114 172.1), rgb(67, 184, 153).
Aa
Black text reads best on this color (8.55:1).
About this color
#43B899 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.114 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.014 away. Black text reads best on it, at 8.55:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.55:1 |
| White text | 2.45:1 |
Values
| HEX | #43B899 |
| RGB | rgb(67, 184, 153) |
| HSL | hsl(164, 47%, 49%) |
| OKLCH | oklch(70.8% 0.114 172.1) |
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 #43B899 | 2.45:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #43B899 | 8.55:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #43B899 text on white | 2.45:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #43B899 text on black | 8.55:1 | AAA | Lc -54.0 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DDEFE8
oklch(93.7% 0.021 170.6)
-
Step 200
200
#C0E2D6
oklch(88.5% 0.039 172)
-
Step 300
300
#90D0BB
oklch(80.8% 0.072 172)
-
Step 400
400 (this color)
#43B899
oklch(70.8% 0.114 172.1)
-
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)
#43B899 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) | #B2AC98 | 0.118 |
| Deuteranopia (no green cones) | #A2A09B | 0.114 |
| Tritanopia (no blue cones) | #00BAAF | 0.033 |
| Achromatopsia (no color) | #A5A5A5 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43B899
#43B899
oklch(70.8% 0.114 172.1)
- #D882A8
#D882A8
oklch(70.9% 0.115 352.4)
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 #43B899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.014
- Topaz #13BBAF ΔE 0.031
- Light Sea Green #20B2AA ΔE 0.038
- Green Blue #01C08D ΔE 0.038
- Tea #65AB7C ΔE 0.046
- Greenblue #23C48B ΔE 0.047
- Dark Seafoam #1FB57A ΔE 0.049
- Bluey Green #2BB179 ΔE 0.049
Use #43B899 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.