#43BC99
Closest named color: Greeny Blue (#42B395). oklch(71.8% 0.119 170.2), rgb(67, 188, 153).
Aa
Black text reads best on this color (8.89:1).
About this color
#43BC99 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.119 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.026 away. Black text reads best on it, at 8.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.89:1 |
| White text | 2.36:1 |
Values
| HEX | #43BC99 |
| RGB | rgb(67, 188, 153) |
| HSL | hsl(163, 47%, 50%) |
| OKLCH | oklch(71.8% 0.119 170.2) |
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 #43BC99 | 2.36:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #43BC99 | 8.89:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #43BC99 text on white | 2.36:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #43BC99 text on black | 8.89:1 | AAA | Lc -55.8 | 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
#DDEFE8
oklch(93.7% 0.021 170.6)
-
Step 200
200
#BFE2D5
oklch(88.4% 0.041 170.9)
-
Step 300
300
#8FD1B9
oklch(81% 0.075 169.7)
-
Step 400
400 (this color)
#43BC99
oklch(71.8% 0.119 170.2)
-
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
#002F22
oklch(27.1% 0.054 168.9)
#43BC99 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) | #B7B097 | 0.122 |
| Deuteranopia (no green cones) | #A6A49B | 0.116 |
| Tritanopia (no blue cones) | #00BDB2 | 0.037 |
| Achromatopsia (no color) | #A9A9A9 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43BC99
#43BC99
oklch(71.8% 0.119 170.2)
- #DC84AE
#DC84AE
oklch(71.9% 0.119 350.5)
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 #43BC99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.026
- Green Blue #01C08D ΔE 0.032
- Topaz #13BBAF ΔE 0.035
- Greenblue #23C48B ΔE 0.038
- Light Sea Green #20B2AA ΔE 0.047
- Dark Seafoam #1FB57A ΔE 0.049
- Bluey Green #2BB179 ΔE 0.052
- Tea #65AB7C ΔE 0.052
Use #43BC99 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.