#43B39B
Closest named color: Greeny Blue (#42B395). oklch(69.7% 0.107 176.2), rgb(67, 179, 155).
Aa
Black text reads best on this color (8.16:1).
About this color
#43B39B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.107 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.009 away. Black text reads best on it, at 8.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.16:1 |
| White text | 2.57:1 |
Values
| HEX | #43B39B |
| RGB | rgb(67, 179, 155) |
| HSL | hsl(167, 46%, 48%) |
| OKLCH | oklch(69.7% 0.107 176.2) |
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 #43B39B | 2.57:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #43B39B | 8.16:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #43B39B text on white | 2.57:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #43B39B text on black | 8.16:1 | AAA | Lc -51.9 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DDEEE9
oklch(93.5% 0.019 176.4)
-
Step 200
200
#C0E2D8
oklch(88.5% 0.038 175.7)
-
Step 300
300
#92CFBF
oklch(80.8% 0.067 176.4)
-
Step 400
400 (this color)
#43B39B
oklch(69.7% 0.107 176.2)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
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
#002E26
oklch(26.9% 0.05 177.5)
#43B39B 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) | #ADA89A | 0.113 |
| Deuteranopia (no green cones) | #9C9C9D | 0.108 |
| Tritanopia (no blue cones) | #00B5AC | 0.028 |
| Achromatopsia (no color) | #A1A1A1 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43B39B
#43B39B
oklch(69.7% 0.107 176.2)
- #D2809F
#D2809F
oklch(69.5% 0.108 356.1)
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 #43B39B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.009
- Light Sea Green #20B2AA ΔE 0.026
- Topaz #13BBAF ΔE 0.031
- Tea #65AB7C ΔE 0.044
- Dark Seafoam Green #3EAF76 ΔE 0.051
- Bluey Green #2BB179 ΔE 0.051
- Green Blue #01C08D ΔE 0.052
- Dark Seafoam #1FB57A ΔE 0.054
Use #43B39B 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.